choose all statements that are true about harmful regulators
Naturally-grown food produces bigger crops for farmers.
Some sprays have been found to cause cancer in people.
Naturally-grown food is usually cheaper to produce.
People are urged to eat food that uses harmful regulators to grow food.
People are urged to eat food that has been naturally-grown
Answers
Naturally-grown food produces bigger crops for farmers.
Some sprays have been found to cause cancer in people. all statements that are true about harmful regulators
What drives farmers to grow genetically modified plants?Today's GMO crops were largely developed to help farmers manage weeds, avoid crop loss, and preserve food. The top three properties of GMO crops are as follows: resistance against a number of dangerous insects. tolerance for particular weed-killing substances.
GMO agriculture has resulted in superweeds and superpests that are very difficult for farmers to control. Farmers are obliged to give up the alleged benefits of GMO technology because resistant pests need more labour, arduous ploughing, or older, more toxic chemicals.
learn more about harmful regulators
https://brainly.com/question/21224855
#SPJ1
Related Questions
4. What was Lamarck's theory of evolution?
Answers
Nuclear Energy
1. The element carbon has three natural isotopes: C-12, C-13, and C-14.
Use the periodic table to find the number of protons in a carbon atom.
Then make a drawing to show the nuclei of the three carbon isotopes.
Your drawing should convey the number of protons and neutrons in each of the three different
nuclei.
2. Carbon-12 and Carbon-13 are stable, whereas Carbon-14 is unstable.
Which isotope of carbon is most likely to undergo natural radioactive decay?
Which one would be called a radioisotope?
3. Explain the three processes of nuclear change and what is produced during as a result of that change.
4. Why is U-235 the most common nuclear fuel instead of the more abundant U-238? State a clear topic
sentence and support it with evidence.
5. Create a flow chart to show how uranium is processed for use in a nuclear reactor.
Answers
1. The number of protons in a carbon atom is 6.
The number of nuclei in the isotopes are:
C-12 - 6 protons and 6 neutrons
C-13 - 6 protons and 7 neutrons
C-14 - 6 protons and 8 neutrons
2. The isotope of carbon that is most likely to undergo natural radioactive decay is C-14
The radioisotope is C-14.
3. The three processes of nuclear change are nuclear fusion, nuclear fission, and radioactive decay.
4. U-235 is the most common nuclear fuel instead of the more abundant U-238 because it is more fissile and can sustain a chain reaction.
5. Flowchart for uranium processing in a nuclear reactor:
Uranium ore (mined from underground or open pit mines)
↓
Crushing and grinding of the ore into a fine powder
↓
Leaching the ore with a strong acid or alkali to dissolve the uranium
↓
Extracting the uranium from the leach solution by solvent extraction or ion exchange
↓
Purifying the uranium by precipitation, filtration, and drying
↓
Converting the purified uranium into uranium dioxide (UO2) powder
↓
Pressing and sintering the UO2 powder into fuel pellets
↓
Loading the fuel pellets into fuel rods and assembling the fuel rods into fuel assemblies
↓
Placing the fuel assemblies into the reactor core for nuclear fission to generate heat and electricity.
What are the three processes of nuclear change?The three processes of nuclear change are:
Nuclear fusion is the process of combining two atomic nuclei into a heavier nucleus, which releases a large amount of energy. This process powers the sun and other stars.
Nuclear fission is the process of splitting a heavy nucleus into two smaller nuclei, which also releases a large amount of energy. This process is used in nuclear power plants to generate electricity.
Radioactive decay is the process of a nucleus spontaneously breaking down and emitting radiation in the form of alpha, beta, or gamma particles. This process occurs in radioactive materials, such as uranium and plutonium.
Uranium occurs naturally as a mixture of isotopes, with U-238 being the most abundant (99.3%) and U-235 being the less common (0.7%). In nuclear reactors, U-235 is used as fuel because it is more fissile, meaning it is more likely to undergo nuclear fission when struck by a neutron. U-238, on the other hand, is not as fissile and requires higher-energy neutrons to undergo fission. This makes U-238 less efficient as a fuel in a nuclear reactor.
Learn more about radioactive decay at: https://brainly.com/question/9932896
#SPJ1
in this illustration, which site indicates a fault?
A
B
C
D
Answers
Answer:
A fault trace or fault line is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. A fault zone is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault.
Explanation:
so i think he answer is D but if its wrong im so sorry :( but if its right great mark as brainiest if u want :)
Answer: A
Explanation:
I took the test
Bats and birds have many things in common with each other. Both bats and birds can fly . Many bats and birds hunt for similar food, like bugs. Both bats and birds take care of their young offspring. In fact, both birds and bats migrate through Florida.
Why do both birds and bats migrate?
A. Cold weather makes it hard to find food.
B. They run out of space where they live.
C. Cold temperatures make it hard to grow bigger.
D. Shorter days and longer nights.
Please help.
Answers
Answer:
A
Explanation:
Cold weather makes it hard to find food. They travel to areas where food is available.
Which component of the cell theory was contribution part by Rudolf Virchow? a. All living organisms are made of many cells. b. All cells originate from preexisting cells. c. All living organisms divide and reproduce. d. All cells require oxygen to grow.
Answers
The component of the cell theory that was contributed by Rudolf Virchow is: b. All cells originate from preexisting cells.
What is Cell Theory?
Cell theory is a fundamental scientific concept that describes the basic unit of life, the cell. It is a set of principles that describe the organization and function of living organisms. The three main components of the cell theory are:
Every living thing is made up of one or more cells.The fundamental unit of structure, organization, and function in all living things is the cell.All cells arise from pre-existing cells.These principles were developed over several centuries by many scientists, including Robert Hooke, Antoine van Leeuwenhoek, Matthias Schleiden, Theodor Schwann, and Rudolf Virchow. The cell theory has been confirmed and expanded upon by modern research and is considered a cornerstone of biology. It provides a framework for understanding the organization and behavior of living organisms and has many practical applications in fields such as medicine and biotechnology.
This is known as the principle of biogenesis, which states that new cells can only arise from preexisting cells. Virchow first proposed this concept in 1855 based on his observations of cellular division in tissues.
Learn more about Cell Theory from given link
https://brainly.com/question/3142190
#SPJ1
Help me with number 6 please its esay
Answers
Answer:
A
Explanation:
Learnt this 2 yrs ago in geography class
Answer:
a
Explanation:
2.Which of the following sequences is in the correct order to know the steps involved to test the
presence of starch in a leaf?
P - Boil the leaf in alcohol in a water bath.
Q - Add iodine solution.
R - Wash the leaf in water.
S - Boil the leaf in water.
(a) S, Q, R and P (b) P, S, Q and R
(c) Q, R, P and S (d) S, P, R and Q
Answers
Answer: c
Explanation:
The graph shows the change in seabird mortality rates in the Southern Hemisphere due to illegal, unreported, and unregulated fishing (IUU) compared to legal fishing. What is a possible explanation for the dramatic decline in bird bycatch that occurred in 2004?
Answers
Answer and explanation
A decrease in the allowable number of inadvertent kills.
When graphing data, the variable the should be plotted on the x-axis is the...
Answers
Answer:
Independent Variable
Explanation:
the dependent variable goes on the y-axis while the independent variable goes on the x-axis
Does the pharynx of human respiratory system have cartilage and epithelium?
Answers
Answer:
There is no cartilage but there is epithelium
Explanation:
The pharynx of the human respiratory system does not contain cartilage.
The pharynx, part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for air and food. The gorge is made up of several regions, each with its own distinctive features.
The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.
These regions also lack cartilage but are lined with stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.
to learn more about pharynx
https://brainly.com/question/3350759
A car starts from rest and gains a velocity of 20 m/s in 10 s. Calculate acceleration and average velocity.
Answers
The acceleration of the car is 2 m/s².
The average velocity of the car is 2 m/s.
How to calculate acceleration ?The equation acceleration = (final velocity - beginning velocity) / time can be used.
Given:
Initial velocity (u) = 0 m/s (since the car starts from rest)
Final velocity (v) = 20 m/s
Time (t) = 10 s
Using the formula, we can substitute the values:
acceleration = (20 m/s - 0 m/s) / 10 s
acceleration = 20 m/s / 10 s
acceleration = 2 m/s²
Therefore, the acceleration of the car is 2 m/s².
You can use the following equation to determine the average velocity: average velocity = total displacement / total time.
The initial position and the final position are identical since the automobile begins at rest. As a result, the displacement and the ultimate position are equal.
Given:
Displacement = 20 m
Time (t) = 10 s
Using the formula, we can substitute the values:
average velocity = 20 m / 10 s
average velocity = 2 m/s
Therefore, the average velocity of the car is 2 m/s.
Learn more about substitute here : brainly.com/question/26094713
#SPJ1
An animal's growth rate is determined by
O many genes
O one specific gene
O only factors not related to genetics like feed
depends on the animal
Answers
Check all the boxes where the vocabulary word correctly matches its
science definition?
Equilibrium: a system where forces are in balance
O
Climax community: the end of a succession resulting in a stabilized community
o
Succession: the act of winning in life
Primary Succession: colonization of an area that has not been previously occupied by
a community, e.g. newly exposed rock
Pioneer Species: the first organisms to live on rocky surfaces, e.g. lichens, moss,
algae, and fungi
Secondary Succession: colonization following a major disturbance, such as a fire or a
flood
Answers
Answer:
Climax community, primary succession, pioneer species, secondary succession.
Explanation:
Equilibrium with regards to succession occurs as "a state of dynamic equilibrium in a community of organisms in which genetic, species and ecosystem diversity remain relatively stable, but this factors are subject to gradual changes through natural succession."
Succession: the process by which the structure of a biological community evolves over time.
A person launches two model rockets, which reach the same altitude. One
rocket weighs 1.5 N, and the other weighs 3.2 N. How does the mass of the
rockets relate to the force of gravity on them?
A. The mass of the 1.5 N rocket is less than the mass of the 3.2 N
rocket.
B. The 1.5 N rocket and the 3.2 N rocket have the same mass before
they are launched
C. The mass of the 1.5 N rocket will be the same as the mass of the
3.2 N rocket when they reach the same altitude.
D. The 1.5 N rocket has more mass than the 3.2 N rocket.
Answers
A person launches two model rockets, which reach the same altitude. One rocket weighs 1.5 N, and the other weighs 3.2 N.
The mass of the rockets relate to the force of gravity on them, the mass of the 1.5 N rocket is less than the mass of the 3.2 N
rocket.
Option A is correct.
What is mass?Mass can be described as the amount of matter present in any object or body.
Weight on the other hand is a measure of force that is equal to the gravitational pull on an object.
Mass is independent of location, while weight depends on location.
In conclusion, the force of gravity on the two rockets is proportional to their mass.
Learn more about mass at: https://brainly.com/question/19385703
#SPJ1
Which gas is forming in the test tube shown
above?
A. carbon dioxide
B. hydrogen
C. oxygen
D. nitrogen
the answer is c!!
Answers
Answer:
i believe its C
Explanation:
Answer:
carbon dioxide ......is your answer
An ostrich and an emu are both flightless birds found on completely different continents (ostrich in Africa, emu in Australia). These birds have slightly different evolutionary histories, but have independently evolved similar adaptations due in part to the similar habitats they occupy. What type of evidence for evolution do these birds present
Answers
Answer:
The correct answer is "Biogeography".
Explanation:
The missing options for this question are:
-Comparative embryology
-Biogeography
-Bioinformatics
-Fossils
The correct answer is "Biogeography".
Biogeography is a field of study focused on how species have changed over its evolutionary history regarding its distribution and geographical localization. Biogeography particularly examines biological diversity patterns. The evidence of evolution between the ostrich and the emu populations is of biogeographical type, since they are located in different regions but they are exposed to similar habitats.
SECTION B: QUESTION 2 2.1 The diagram below shows part of the human ear. 2.1.1 2.1.2 2.1.3 2.1.4 E A B C Explain the consequence if structure E lost its flexibility. Describe the process of hearing. D 2.Z Identify structures A and B Give the LETTER and the NAME of the parts that: (a) equalises pressure on both sides of the tympanic membrane (b) absorbs excess pressure waves from the inner ear (2) (2) (2) (2) (7) (15)
Answers
If structure E (stapes) lost flexibility, it would impair sound transmission, leading to hearing sensitivity.
Process of hearing: Sound waves enter the ear, vibrate the eardrum (tympanic membrane). Ossicles (A: malleus, B: incus) amplify vibrations to inner ear. Vibration of fluid in cochlea stimulates hair cells, converting to electrical signals for interpretation.
Structure A: Malleus
Structure B: Incus
(a) Structure C (eustachian tube) equalizes pressure on both sides of the tympanic membrane.
(b) Structure D (round window) absorbs excess pressure waves from the inner ear.
If structure E, which is the ossicles (specifically the malleus, incus, and stapes), lost its flexibility, it would have a significant consequence on hearing. The ossicles play a crucial role in the process of sound transmission. They amplify sound vibrations that enter the ear through the outer ear and transfer them to the inner ear. The flexibility of the ossicles allows them to vibrate in response to sound waves, transmitting these vibrations to the fluid-filled cochlea in the inner ear.If structure E lost its flexibility, the transmission of sound vibrations would be impaired. This would result in a reduced ability to perceive and interpret sound. Hearing sensitivity would be significantly compromised, and sounds may appear muffled or distorted. It may become challenging to distinguish different pitches or understand speech clearly.The process of hearing involves several steps. When sound waves enter the outer ear, they travel through the ear canal and reach the eardrum (tympanic membrane). The vibrations of the eardrum are then transferred to the ossicles (structures A and B in the diagram), which amplify and transmit the vibrations to the cochlea (structure C). The cochlea is responsible for converting the mechanical vibrations into electrical signals that can be interpreted by the brain. These signals are then sent to the brain via the auditory nerve, where they are processed and perceived as sound.Structure A, known as the Eustachian tube, equalizes pressure on both sides of the tympanic membrane. It connects the middle ear to the back of the throat, allowing air to flow in and out, maintaining equal pressure on both sides of the eardrum.Structure B, called the round window, acts as a pressure relief valve. It absorbs excess pressure waves from the inner ear, preventing damage to delicate structures by allowing fluid in the cochlea to move in response to the sound vibrations.Overall, the ear is a complex and intricate system that relies on the interaction of various structures to enable the sense of hearing.For more such questions on Hearing sensitivity:
https://brainly.com/question/13025218
#SPJ8
Hearing involves a process of sound wave transduction through the tympanic membrane and ossicles. If the tympanic membrane (E) loses its flexibility, sound quality may diminish. The Eustachian tube and cochlea serve to manage pressure within the ear.
Explanation:The process of hearing (audition) involves the transduction of sound waves into a neural signal. When the tympanic membrane (structure E in your diagram), or eardrum, is struck by sound waves, it vibrates. These vibrations are then transferred to the ossicles, which are three small bones in the middle ear. The ossicles are identified as structures A (Malleus or Hammer) and B (Incus or Anvil) in your diagram. Sound waves are finally transduced into a neural signal in the inner ear.
If the tympanic membrane was to lose its flexibility, it would not vibrate as effectively when struck by sound waves. This could diminish the quality of sound and potentially lead to hearing loss.
The Eustachian tube equilibrates air pressure on both sides of the tympanic membrane. This would be your answer to part (a) of the lettered question. Part (b) refers to the role of the cochlea in the inner ear, which helps to absorb excess pressure waves from the inner ear.
Learn more about Hearing Process here:https://brainly.com/question/37484802
#SPJ11
What are 3 examples of a mutualistic relationship between organisms ?
Answers
Spider crab and algae
Bacteria and human
What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and the other an animal C. Both can be plants D. One must be an animals and the other one a plant
Answers
Answer:
one can be a plant and the other an animal
The Calvin Cycle:__________.
a. is a cyclic pathway that produces three carbon molecules from CO 2.
b. is a linear pathway that produces three carbon molecules from CO 2.
c. is a cyclic pathway that produces ATP and NADPH.
d. is a linear pathway that produces ATP and NADPH.
Answers
a. The Calvin Cycle: is a cyclic pathway that produces three carbon molecules from CO 2.
Help asap…
Why are bacteria necessary to life?
A. because they move and make biologically important elements available to the organisms that need them.
B. because they are food for all organisms
C. because they generate heat which is necessary for life
D. because they provide oxygen which all living things need
Answers
Answer: D
Explanation: Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat.
The transport of an ion across a membrane against its concentration gradient can be accomplished by:
Answers
because the difference in environment across the membrane. Going from low concentration to higher concentration
Who do you believe is guilty of the murder? What evidence supports your conclusions? (4 points)
Answers
Right from time immemorial, guilty is considered a murder situation in as much as one as been confirmed truthfully responsible as what one as been charged of.
What is murder?This is a deliberate act of killing another being, especially human.This is a crime against humanity and it is punishable.
Guilty means to be responsible for a dishonest act especially judged to have committed a crime.
Evidence which shows that guilty is a murder is simply in the scriptural books such as the Bible and Qur'an. The judge in his book too has whatever one is guilty of as a murder in his book.
So therefore, right from time immemorial, guilty is considered a murder situation in as much as one as been confirmed truthfully responsible as what one as been charged of.
Learn more about murder:
https://brainly.com/question/25187301
#SPJ1
Answer:
Steve O'Hare
Blood Type Match
Explanation:
The murderer was the boss, Steve O'Hare, because the blood on the door matched his blood, so he possibly struggled to kill her and she was able to hit him or try to defend herself which is possibly why his blood was on the door
Which organelle is labeled I? cell membrane ribosome endoplasmic reticulum nucleus
Answers
Answer:
"nucleus" seems to be the correct answer.
Explanation:
The nucleus seems to be a significant case wrapped through a double membrane that distinguishes these from the cytoplasm, the nuclear shell. The membranes combine throughout a few areas, allowing the interchange of substances between some of the cytoplasm as well as the nucleus, steps given designated "nuclear pores".The nuclear shell is consistent with either the concentrated endoplasmic reticulum, thereby bonding with either the nucleus.Answer:
NucleusExplanation:
HELP ME PLEASE PLEASE PLEASE PLEASE
The instructions for all the traits and processes of an individual can be found in what molecule?
A DNA
B ATP
C RNA
D ADP
Answers
DNA is the correct answer.
Answer:
dna
Explanation:
What could happen if bacterial DNA is damaged by UV light and the damaged DNA is not repaired by the bacteria?
a.DNA replication can proceed as normal, but transcription is prevented
b. neither DNA replication nor transcription can occur, and the bacteria will probably die
c.transcription can proceed as normal, but replication is prevented
d. the damaged part will be excised and allow DNA replication to proceed
Answers
Answer:
b. neither DNA replication nor transcription can occur, and the bacteria will probably die
Explanation:
Ultraviolet light (UV) is a powerful mutagenic agent that produces thymine dimers among contiguous base pairs. These dimers are highly stable, and thus DNA repair mechanisms are inefficient. UV light is particularly harmful to bacteria and viruses. It is for that reason that UV is used to sanitize by damaging such pathogens, avoiding them from multiplying and consequently also inhibiting transcription.
What happened to the marine life due to oil spill
Answers
Answer:
animals died and water was contaminated
Explanation:fish are meant to swim in water not oil
Clear-cutting limits the extent to which forests are renewable because __________.
A.
it does not involve reforesting cleared areas
B.
it calls for new trees to be planted immediately when others are cut down
C.
it is heavily focused on the sustainability of forests
D.
it protects forests from being used
Answers
Answer:
The correct answer is - b. it calls for new trees to be planted immediately when others are cut down.
Explanation:
Clear-cutting is a technique for reforestation or regeneration by harvesting trees in which all trees are cleared from a site and another, even-age remain of timber is developed.
This is the practice of reforesting in which all the trees in a zone are consistently chopped down. It is utilized to make a specific kind of timberland environment and furthermore for advancing select species.
The correct answer is - b. it calls for new trees to be planted immediately when others are cut down.
Answer:
B. it calls for new trees to be planted immediately when others are cut down
Explanation:
A box at the intersection between a row and a column on a spreadsheet is a
Answers
The point where a column and a row intersection is known as a cell.
What is intersection?When two streets or lines cross, it is known as an intersection. The two places where crossings are most likely to occur are in math class as well as in traffic. An intersection in mathematics is the place where two lines converge. This is the common theme among the lines. There is an intersection in the middle of the letter X. The same holds true for a street's intersection; in this case, Huron and Clark's. You can take either street away from the intersection. Knowing the main intersections is useful while trying to go somewhere.
To learn more about intersection
https://brainly.com/question/30088237
#SPJ1
Please help!!! I am not good in writing….
Desert food web
Write a paragraph (s) explaining how energy transfers from organism to organism in your food we . Your paragraph can be informational or you can bring out your creative side and write a story. A minimum of 10 sentences with correct writing conventions is required. Plagiarism is NOT allowed!
Answers
Energy flows in food webs according to the 10% rule, which states that only 10% of the energy stored as biomass in one level is transmitted to the following level.
How is energy transferred between organisms in a food web?
Food webs are interactions between different organisms involving transference of energy when some of them feed on the other ones. The ones placed at lower levels pass energy to the ones at the higher levels.
Energy flow occurs according to the 10% rule, which refers to the energy flow along the trophic chains from autotrophs to heterotrophs and detritivorous organisms.
Only 1% of the solar energy that reaches the Earth's surface is absorbed by autotroph organisms. From there, each trophic level transmits 10% of its energy to the following trophic level. The remaining 90% is lost to the environment as heat.
The 10% rule states that only about 10% of the energy stored as biomass at one trophic level per unit of time ends up as biomass at the next trophic level, in the same unit of time.
You can learn more about the 10% rule at
https://brainly.com/question/1405960
#SPJ1