According to an August 2011 report from a government research laboratory, the amount of carbon dioxide (in parts per million) in the Earth's atmosphere increased by almost 25% between 1958 and 2011. The graph below illustrates this increase as well as the yearly cycle, which is driven by the seasons. Image courtesy of NOAA If a student wants to understand what has led to this increase, what is the best scientific question he or she could ask an expert?
A.
How many different processes remove water vapor from the atmosphere?
B.
Does the Earth receive more direct sunlight today than it did 50 years ago?
C.
Are average global temperatures today greater than they were 50 years ago?
D.
What processes add significant amounts of carbon dioxide to the atmosphere?
Answers
Answer:
The best scientific question that a student could ask an expert to understand what has led to the increase in the amount of carbon dioxide in the Earth's atmosphere is: "What processes add significant amounts of carbon dioxide to the atmosphere?" This question directly addresses the cause of the observed increase and would allow the student to gain a deeper understanding of the contributing factors. The other options are not directly related to the issue of increasing carbon dioxide levels in the atmosphere, and therefore would not provide the most relevant information for understanding the phenomenon.
Related Questions
2. A fruit fly is classified as a consumer rather than as a producer because it is unable to 1. reproduce asexually 2. synthesize its own food 3. release energy stored in organic molecules 4. remove wastes from its body
Answers
Answer:
2. synthesize its own food
Explanation:
Based on how they obtain their nutrition, living organisms has been classified to be either producers, consumers, or decomposers. Producers are organisms capable of synthesizing their own food using light (photosynthesis) or inorganic chemicals (chemosynthesis).
Consumers, on the other hand, cannot synthesize their own food and hence, rely on other organisms to obtain their energy source. Consumers feed on other organisms to obtain energy. In this question, a fruit fly is classified as a CONSUMER because it cannot synthesize its own food.
Answer:
2
Explanation:
because a fruit fly isn't a producer
Which of the following is a question about biology? (Select all that apply.)
How have rocks in the Grand Canyon changed over the last million years?
How much carbon dioxide does an industry release into the atmosphere each year?
How does water pollution affect fish in a lake?
How has a species of bacteria changed since doctors started prescribing antibiotics?
Why are Earth's poles colder than the equator?
Answers
How has a species of bacteria changed since doctors started prescribing antibiotics is a question related to biology.
What are the contents of biology?
Biology is the study of living organisms and their vital processes. Botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology are some of the fields covered by biology.
Some bacteria have developed resistance to antibiotics that were once widely used to treat them. For example, Staphylococcus aureus ('golden staph' or MRSA) and Neisseria gonorrhoeae (the cause of gonorrhea) are almost always resistant to benzylpenicillin.
Therefore, bacteria have developed resistance to antibiotics during evolution.
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Question 6(Multiple Choice Worth 3 points)
(04.01 MC)
Starting with the European settlers, humans have introduced earthworms from Europe and Asia into North American forests. These introductions continue through the transport of soil that contains non-native earthworms, such as during construction and through the release of non-native earthworms used for fishing. The effects of non-native earthworms are especially large in forests that did not have any native earthworms. For example, forests of the Great Lakes region did not previously have earthworms until humans introduced them. When non-native earthworms are introduced, the thick layer of leaves, known as leaf litter, covering the ground disappears quickly, thereby altering biogeochemical cycles.
Which of the following correctly traces a nutrient pathway in a Great Lakes forest that is invaded with non-native earthworms?
trees → leaf litter → earthworm → atmosphere
leaf litter → earthworm → soil → trees
bird → earthworm → soil → trees
earthworm → fungi → leaf litter → trees
Answers
The correct trace nutrient pathway in a Great Lakes forest that is invaded with non-native earthworms is leaf litter → earthworm → soil → trees. The correct option is B.
What is a nutrient pathway?When there is an oversupply of food, nutrient-sensing pathways activate anabolism and storage, and when there is a shortage of food, homeostatic mechanisms including the mobilization of internal stores via mechanisms like autophagy are triggered.
Human metabolic illnesses frequently exhibit altered nutrient-sensing mechanisms.
Therefore, the correct option is B, leaf litter → earthworm → soil → trees.
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Answer:C
Explanation:
makes sense
14. In canaries, the singing gene (S) is dominant over nonsinging (s). When a 1 poin
heterozygous singing canary is mated with one who can't sing, what % of
their offspring will sing?*
0% can sing
25% can sing
50% can sing
100% can sing
Answers
Answer:
50% can sing
Explanation:
Nicole made the following chart to help her study for a test on the geographic features of the ocean: *
A. abyssal plain
B. continental shelf
C. continental slope
D. continental rise
Answers
Explanation: while it is the “true” sea floor it is not made of sediment from the continents, most of the sediment collects at the continental rise.
1. In an animal cell undergoing mitosis, the spindle first appears as two aters, structures in which fibers radiate out from each centriole. Would you expect to find asters in plant cells? Why or why not? PLS HELP OMG ILL MARK U BRAINLIST JUST OLS
Answers
Answer:
Millions of the centrioles migrating
Answer: No
Explanation: Plant cells have no centrioles, there would be no structures from which the fibers could radiate. In animal cells, asters form around the centrosomes during a mitotic division. Plant cells lack centrosomes, therefore, asters are not formed during mitosis in plants.
PLEASE HELP ON QUESTION ASAP !
Hi please help on question.If you get answer correct is be willing to give brainliest,a thanks, five stars and 10pts.
My question:
As an analogy of a circuit with resistance, think of an obstacle race . Which parts of a circuit do the obstacles represent? which part of the circuit do the people respresent?
Answers
Answer:
An obstacle race can serve as an analogy for understanding the components of a circuit with resistance. In an obstacle race, participants navigate through various obstacles to reach the finish line. Similarly, in a circuit with resistance, electrical current encounters obstacles that impede its flow. By associating different elements of an obstacle race with corresponding parts of a circuit, we can gain insights into how resistance affects the flow of electric current.
Explanation:
Obstacles as Resistance: In an obstacle race, the obstacles represent the resistance in a circuit. Just as obstacles require participants to exert more effort to overcome them, resistance in a circuit hinders the flow of electrical current. The resistance can be caused by factors like the material of the wire or components like resistors, which impede the smooth flow of electrons.Participants as Electric Current: The people participating in the obstacle race represent the electric current in a circuit. Like the participants moving through the racecourse, electric current moves through the circuit, aiming to complete the circuit and reach the intended destination. The flow of current is driven by a voltage source, analogous to the motivation and energy of the participants in an obstacle race.Finish Line as the Destination: In an obstacle race, the finish line represents the destination or endpoint. Similarly, in a circuit, the destination is the point where the electric current aims to reach. This could be a device that utilizes the electrical energy, such as a light bulb or a motor, where the current is transformed into other forms of energy.By drawing parallels between an obstacle race and a circuit with resistance, we can visualize how resistance hampers the flow of electric current and understand the role of different components in a circuit. Just as participants navigate obstacles to reach the finish line, electric current overcomes resistance to reach its intended destination, where it can be utilized to perform useful work.
malaria is caused by—
Answers
Answer:
caused by plasmodium and transmitted by infected Andes mosquitoes
Which two generalizations can be made based on what you know about cycles of matter in a closed system?
-New-matter is added, and oid matter is destroyed:
-Matter changes its physical form, allowing it to return to its original state.
-The amount of matter within the system remains the same.
-Matter and energy can cross the boundaries of the system.
-The cycle has a well-defined starting and stopping point.
Answers
The amount of matter in the system is constant, and the cycle has a clearly defined beginning and end.
How does Physics Define Matter?A substance called matter is made up of several kinds of particles, occupies space, and has inertia. The many sorts of particle each have a unique mass and size according to the principles of current physics.
What exactly is a matter unit?The fundamental building block of the cosmos is the atom. Atoms are referred to be the basic matter units and have a nucleus made up of protons and neutrons with electrons revolving around it. Every component in the periodic table is made up of a unique arrangement of protons, neutrons, and electrons.
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• which of the following is required for the sodium-potassium ions into an animal cell?
Answers
Answer:
Energy from ATP
Explanation:
ATP, or adenosine triphosphate, is a chemical that transports energy within cells. It is the cell's primary source of energy, and it is produced via photophosphorylation (adding a phosphate group to a molecule using light energy), cellular respiration, and fermentation. ATP is used by all living organisms. It is employed in signal transduction pathways for cell communication and is integrated into deoxyribonucleic acid (DNA) during DNA synthesis, in addition to being an energy source.
Why are invasive species significants?
Answers
Answer:
Invasive species can change the food web in an ecosystem by destroying or replacing native food sources. Invasive species can also alter the abundance or diversity of species that are important habitat for native wildlife.
Explanation:
Can two plants with white flowers produce offspring with purple flowers?
Answers
Answer:
Yes, if both parents are heterozygous for the trait.
Explanation:
For example, they may recognize that a plant with white flowers crossed with itself or another plant with white flowers will produce only white flowered plants, while a purple-flowered plant crossed with itself or another purple-flowered plant sometimes produces white-flowered offspring.
Help please ASAP!
When scientists use the term "carbon footprint", they are referring to the _________ released into the atmosphere as a product from burning fossil fuels .
Select one :
1. Indirect emissions.
2.Carbon product gases .
3.Greenhouse gas emissions
4.Direct emissions .
Answers
Answer:
3 pretty sure and your welcome
The table below shows the rate at which four different species can adapt to changes in temperature.
Answers
In addition to birds, data from numerous research shows that mice, pigs, or small mammals have larger tails in reaction to temperature variations, while bats vary the size of their wings in response to global warming.
What kind of animal can withstand extreme temperatures?The Saharan silvery ant, Cataglyphis bombycina, is a desert-dwelling species that can withstand the highest temperatures on Earth. While searching for other organisms that have perished inside the midday sun, this can survive temperature above 53 °C for a short period of time.
What type of animal adapts its temperature to its surroundings?Although cold-blooded creatures cannot produce their own body temperature, they can control it by altering their environment. Reptiles like alligators frequently sleep in the sunlight to warm up. Instead, they move into the shade of a rock, crawl into the a burrows in the earth, or take a bath in the water to cool themselves.
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What do a Salamander and a Tuna have in common? *
Answers
Answer:
DNA structure
Explanation:
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What is the weight of a green June beetle
Answers
After dehydration, a green June beetle weighs around 1.5 grams.
What is the lifespan of a June bug?The larvae pupate after three years of eating on plant roots, emerge as adults in late summer, and then burrow themselves for the winter. The adults reappear in the spring and feed on whatever nearby vegetation is still there. Adults only live for around a year. The Cotinus nitida, or green June beetle, is a roughly one-inch-long metallic green insect. Body margins range from bronze to yellow, while wing coverings occasionally have a reddish-brown tint. Pupae are brown and measure half an inch in length, while larvae, or "grubs," are cream-colored and can range in length from a quarter inch to two inches.
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Type an X beside all the TRUE facts about estuaries.
22. Estuaries are partially enclosed bodies of water where salt water from the ocean mixes
with fresh water from rivers and streams (brackish water).
23. Estuaries have some of the highest abundance of organisms of all of the ecosystems in
the world.
24. Estuaries have very deep waters.
25. Estuaries provide food, shelter and nursery grounds for animals.
26. Estuaries tend to have low amounts of nutrients in their waters.
27. Estuaries are called the “cradle of the ocean.”
28. Estuaries are part of the intertidal zone.
29. Estuaries are stable environments in terms of tides, salinity and temperature.
Answers
Answer:
22 is correct, 24 is correct, 25 is correct and 28 is correct
Explanation:
Answer:
Except for 24 and 26. . All the statements are correct.
Explanation:
Statement 22: It provides for the definition of an estuary i.e., partially closed bodies of water where water from ocean mixes with freshwater from rivers, lakes, or streams. Therefore, the statement is TRUE.Statement 23: Estuaries have a very ideal ecosystem which supports both lives underwater and land making them rich in wildlife. This is because of the rich nutrient deposition in and around the estuaries. Therefore, the statement is TRUE.Statement 24: Estuaries usually have shallow beds and do not tend to have deep water. Therefore, this statement is FALSE.Statement 25: Since estuaries have good climatic conditions rich of flora and nutrients. It can provide food, shelter, and nursery grounds to animals. Therefore, this statement is TRUE.Statement 26: Estuaries have a high deposition of nutrient as it includes the nutrient from the freshwater lakes and rivers as well as the nutrients from the sea and ocean. Hence, this statement is FALSE.Statement 27: The aquatic plants and shallow water provides good hiding places and protection to the eggs of many animals. Proving it to be an excellent nursing ground away from predators, this is the reason it is called the cradle of the ocean. Therefore, this statement is TRUE.Statement 28: The intertidal zone is an area where the ocean meets the land during high and low tides. Since estuaries are located at the bank of the ocean, therefore, it is a part of the intertidal zone. Hence, this statement is TRUE.Statement 29: Estuaries have a stable temperature ranging between 13 degrees Celsius to 60 degrees Celsius. Estuaries have a stable salinity of 0.5 to 35 ppt and are located at a safe tide zone. Therefore, this statement is TRUE.For more information:
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Are you for, against or undecided on GMOs? Explain.
Please give your opinion <3
Answers
Answer:
AGAINST for sure
Explanation:
ive personally raised GMO animals and they have no life. like chickens at the age of 8 weeks the breasts on GMO chickens are so large they are unable to walk and if u do not butcher them they will have heart attacks at around 9 weeks. they also dont get to go outside and walk around bc that makes them lose weight. so most of the GMO chickens do not get to go outside and actually have clean air. let alone see the sun light and stand in grass.
please place the following steps in the correct order for a ecosystem progressing through succession
Answers
Undersea volcano erupts,then seeds are carried,then grass seeds poke out and later on grow, then shrubs and bushes are formed, then later grow on to be trees, then the island becomes a thick forest, then a volcano eventually erupts, causing the forest to be covered in hot, fresh lava, then the cycle continues! Have a wonderful day!
wich statement is an example of a scientific theory
Answers
Answer:
Big Bang Theory.
Explanation:
jsjsnbdbxhosmanndxbjskaekdjsn
The greater the light intensity on the plants the
Answers
Answer: The faster the rate of photosynthesis.
Explanation: As photosynthesis requires light energy to function, the higher the light intensity, the faster the rate of photosynthesis and therefore the faster the rate of glucose production. The more glucose that is made in photosynthesis, the more sucrose could be transported around the plant via translocation.
before the sheep named Dolly was successfully clones, scientists believe that:
Answers
Before this, scientists believed that every cell in the body were capable of being cloned, or the first answer option. This conducted the researchers to carry lab surveys that eventually would form a cloned organism from another sheep.
osmosis is a form of passive transport. Which defines osmosis?
Answers
The use of no energy to move water across a semipermeable membrane down a concentration gradient from high to low. The correct option is C.
What is osmosis?The spontaneous movement or one can say diffusion of solvent molecules across a semi-permeable membrane that is from a region of high water potential to a region of low water potential is osmosis.
This occurs in the direction that usually normalize the solute concentrations on the two sides, is renowned as osmosis.
The concentration gradient of water across the membrane aids in osmosis, which is inversely proportional to the concentration of solutes.
Osmosis takes place when the concentration gradient of water hits zero or also when the water's hydrostatic pressure equalize the osmotic pressure.
The transition of a solvent across a semipermeable membrane that separates two solutions with varying solute concentrations is referred to as osmosis.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
the movement of water across a semipermeable membrane up a concentration a gradient from low to high, using no energythe movement of water across a semipermeable membrane up a concentration gradient from low to high, using energythe movement of water across a semipermeable membrane down a concentration gradient from high to low, using no energythe movement of water across a semipermeable membrane a down a concentration gradient from high to low, using energywhat type of final cells are produced in mitosis
what type of final cells are produced in meiosis
Answers
mitosis = daughter cells.
im pretty sure this is right!
If the sun went dark today, what part(s) of photosynthesis would be directly affected?
Answers
Answer:
Actually it doesn't really matter for one day of the sun's darkness.
But there will be changed in the plant.
The plant will stop respiration which need sunlight to do the process of photosynthesis for one day.
How many holes are in the human body?
Project due today.
Answers
Answer:
7
Explanation:
"Seven natural body openings or orifices providing access to an internal cavity through a natural passage called a canal, duct or meatus."
Every interaction with the outside world is because of A) epithelial tissue B) connective tissue C) nervous tissue D) muscular tissue
Answers
Answer:
A cutaneous membrane is a multi-layered membrane composed of epithelial and connective tissues. The apical surface of this membrane exposed to the external environment and is covered with dead, keratinized cells that help protect the body from desiccation and pathogens....
Which of the following correctly describes the differences in organelles found in plant cells compared to animal cells.
A. Chloroplasts and Endoplasmic Reticulum are found only in plant cells and the nucleus is only in animal cells.
B. Cell membranes and mitochondria are found only in plants. Ribosomes are much larger in plant cells.
C. Cell walls and chloroplasts are found only in plants. Vacuoles are much larger in plant cells.
D. Mitochondria are found in animal cells and chloroplasts are found in plant cells.
Answers
Answer:
C. Cell walls and chloroplasts are found only in plants. Vacuoles are much larger in plant cells.
The more an experiment is repeated, with the same outcomes, the more ______ it becomes.
biased
not observed
permanent
questioned
Answers
Answer:
Answer. The more an experiment is repeated, with the same outcomes, the more biased it becomes
Explanation:
During photosynthesis,plants take in carbon dioxide,water,and energy from the sun and produce carbohydrates and oxygen.Which of the following statements best explains how plants follow the law of conservation of mass during photosynthesis?
Answers
Answer:The amount of each element that begins photosynthesis equals the amount of each element that is produced
Explanation: