Answer:
C
Explanation:
because gravity is pulling down and air is pulling up
Two different elements that are chemically combined form a __________, while two different elements that are only physically combined form a __________.
Answer: Two different elements that are chemically combined from a compound, but two different elements that are physically combined form a mixture.
Hope this helped :D
Is due at 1m ill give you brainlist if is right please helppp meee
The variability of living organisms, including within or between species or ecosystems is called?
Answer:
Diversity is the correct option.
will name brainliest
c=54
Explanation:
6•c/6= 6•9
c=6•9
c=54
Answer:54
Explanation:
C/6=9
Cross multiply
C=9×6
C=54
An increase in the movements of particles in a substance is associated with an increase in energy
Answer: More atoms and higher temperature mean more thermal energy.
Explanation: The greater the motion of particles, the higher a substance's temperature and thermal energy. A substance's total thermal energy depends on its temperature, number of atoms, and physical state.
The image shows the gravitational effects of the moon (not shown) on the Earth (depicted here) and the resulting tides that form. Which statements are true about the gravitational force between the Earth and the moon? Select ALL that apply.
Responses
A The moon exerts equal gravitational force on all locations of the Earth
B The moon exerts a smaller gravitational force on Earth locations that are farther away
C The moon must be to the right of the Earth because gravity is an attractive force.
D The moon must be to the left of the Earth because gravity is a repulsive force.
E The moon exerts a greater gravitational force on the Earth than the sun does.
Answer: B
Explanation:
Brainliest please! (if im right)
Explain what is happening to the particles’ movement for vaporization.
Answer:
The particles movement increases.
Explanation:
This is because as the particles change from liquid to gaseous state, they acquire more energy due to latent heat of vapourization hence increased movement.
Can you please help me
answer:
The first in the row is correct
Use the images below to complete the information on the table and answer questions 1-5.
Answer:
Proton: Positive
Electron: Negative
Neutron: No charge
what is methyl orange
Answer:
orange made up from methyl
What happens if 1 carbon and 2 oxygen atoms are combined?
Help pls!!!!!!! look on photo!
Answer:
I believe that the answer is 2
Answer:
2
Explanation:
To find an epicenter of an earthquake, you look directly above the point at the center. The center, as we can see, is at point 3. If we move in a straight line up, we can see that the epicenter is at point 2.
Please help me
Which chemical change occurs due to mixing baking soda and vinegar?
A) Combustion
B) Gas Production
C) Heat Production
Answer:
B) It is a gas production
Explanation:
The reaction between baking soda, also known as sodium bicarbonate and vinegar, acetic acid, creates carbon dioxide
Please help im in a rush and im at therapy so i need to finish this
What is a mixture?
Answer:
In chemistry, a mixture is a material made up of two or more different substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.
Explanation:
I hope this helps. ^_^
Mixture
Explanation:
A mixture is created when two or more different substances are physically combined and can be separated back into its original substances.
example- a pile of different kinds of leaves
hope it helps!
When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
Match these items.
1. imprint of plant or animal
original-remains fossil
2. undecayed plant or animal part
carbonized fossil
3. replaced by a mineral
petrified fossil
4. only carbon remains
cleavage
5. mountain
geology
6. from magma
metamorphic
7. from physical and chemical changes
igneous
8. sandstone
print fossil
9. helps identify rocks
landform
10. science of Earth
sedimentary
1. print fossil
2. carbonized fossil
3. petrified fossil
4. cleavage
5. landform
6. igneous
7. metamorphic
8. print fossil
9. geology
10. sedimentary
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The print fossil, original-remains fossil, petrified fossil, carbonized fossil, landform, igneous, metamorphic, sedimentary, cleavage, and geology are the respective matches as given in the question.
Print fossil is imprint of plant or animal and basically known as fossil impression. Original-remains fossil comprises of the original tissues and parts of organism and undecayed plant or animal part. Petrified fossil is replaced by a mineral. Carbonized fossil is only carbon remains. Landform is a mountain. Igneous is from magma.
Metamorphic is from physical and chemical changes. Sedimentary rocks are sandstone. Cleavage helps to identify rocks. Geology is the study of science of earth.
Learn more about rocks and fossils:
brainly.com/question/2168243
How to work out the relative mass of potassium? What is the calculation? ( explained very easily )
Answer:
39
Explanation:
Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.
Explain how potential and/or kinetic energy are working in each of the pictures below
Answer: canetic carts
Explanation:
The eye symbol represents Which hazards
Answer:
This one should be REALLY easy for everybody to know but the answer is anything that can pose a hazard to your eyes
Explanation:
Answer:cyclone
Explanation:
3. A recent flood in the area has caused many short-term changes to
the ecosystem. Which is a long-term change?
A. Standing water in the streets and sewers
B. Temporary displacement of organisms
C. Permanent change in the landscape
D. Poor water quality in rivers and streams
Answer:
c
Explanation:
While standing water in the streets and sewers (option A) and poor water quality in rivers and streams (option D) may persist for some time after the flood, they are generally considered short-term changes as they can eventually be remedied through clean-up efforts and restoration programs.
Temporary displacement of organisms (option B) can also be considered a short-term change, as organisms will eventually return to their original habitats once conditions improve.
However, a permanent change in the landscape (option C) such as altered river channels, new water bodies, or changes in topography, can have lasting effects on the ecosystem and its inhabitants. These changes may alter habitat suitability, nutrient cycling, and water availability, which can impact the ecosystem for years or even decades to come.
Answer: C
Explanation:
The landscape could be flooded. Houses and buildings may be restricted.
⚠️ILL MARK BRAINLIEST!⚠️
What is the speed of light? If light travels 31% slower in fiber optic line, how fast does light travel through the line?
Please help me por favor :'(
What was one was one important impact of Supreme Court's ruling in Bush v. Gore
Answer: the answer is b or c
Explanation:
I took it
Why is it easier for most metal elements to gain electrons rather than to lose them?
PROPER EXPLANATION
Because it is easier for metals to shed their valence electrons and form cations for a stable configuration, they have comparatively few chances of acquiring electrons.
The metals usually complete their octet in each reaction. The outermost electron shell often contains more electrons in metals. Metal atoms lose electrons when they interact with other non-metals because the energy of an electron in its outermost shell is very weak.
Metals often have low ionization energy because their electrons are positive in nature. Metals lose their electrons and trade them with non-metals to achieve a stable configuration.
To know more about electrons in metals elements,
https://brainly.com/question/1511116
Answer:
metals typically have relatively low ionization energies
Explanation:
In July, the average temperature in one US city was 29°C. By December, the average temperature had fallen by 29°C. Explain why the average temperature in December was 0°C.
The area that includes everything between the cell membrane and the nucleus of a cell is called the ___________.
A.mitochondria
B.chloroplast
C.cytoplasm
D.vacuole
The answer is C. Cytoplasm
happy to help!!
How would a flood impact a watershed?
It would always be a positive impact due to adding more water into the watershed
It would have no impact.
It could be a negative impact due to pollutants from the flood water entering the watershed.
Answer:
I think it is negative.
Explanation:
When it floods, water can bring in harmful things, like polluting a existing water source. This can cause sickness if people drinks from the polluted water source.
Please let me know if I got it wrong!
Bangkok, Thailand, and Lima, Peru, are located at opposite positions of Earth's surface. When a rock is dropped in both cities, observers would describe the motion of either rock with a word that means "down."
A) They are moving toward each other.
B) They are moving down, which is the same direction in both cities.
C) They are moving away from each other.
B) One rock is moving due east and the other is moving due west.
PLEASE HURRY!
Answer:
Its A I think
Explanation:
This passage describes the xeroderma pigmentosum trait in humans:
Xeroderma pigmentosum is a condition that causes skin to be easily damaged
by sunlight. Humans with xeroderma pigmentosum avoid exposure to sunlight by
wearing protective clothing, using sunscreen, and not going outside during the
day.
In a group of humans, some individuals have xeroderma pigmentosum and others do not. In
this group, the gene for the xeroderma pigmentosum trait has two alleles. The allele E is for
not having xeroderma pigmentosum, and the allele e is for having xeroderma pigmentosum.
Hunter, a human from this group, does not have xeroderma pigmentosum. Hunter has two
alleles for not having xeroderma pigmentosum.
Based on this information, what is Hunter's genotype for the xeroderma pigmentosum gene?
Ee
EE
not having xeroderma pigmentosum
having xeroderma pigmentosum
Answer:
Xeroderma pigmentosum, which is commonly known as XP, is an inherited condition characterized by an extreme sensitivity to ultraviolet (UV) rays from sunlight. This condition mostly affects the eyes and areas of skin exposed to the sun. Some affected individuals also have problems involving the nervous system.
The signs of xeroderma pigmentosum usually appear in infancy or early childhood. Many affected children develop a severe sunburn after spending just a few minutes in the sun. The sunburn causes redness and blistering that can last for weeks. Other affected children do not get sunburned with minimal sun exposure, but instead tan normally. By age 2, almost all children with xeroderma pigmentosum develop freckling of the skin in sun-exposed areas (such as the face, arms, and lips); this type of freckling rarely occurs in young children without the disorder. In affected individuals, exposure to sunlight often causes dry skin (xeroderma) and changes in skin coloring (pigmentation). This combination of features gives the condition its name, xeroderma pigmentosum.
People with xeroderma pigmentosum have a greatly increased risk of developing skin cancer. Without sun protection, about half of children with this condition develop their first skin cancer by age 10. Most people with xeroderma pigmentosum develop multiple skin cancers during their lifetime. These cancers occur most often on the face, lips, and eyelids. Cancer can also develop on the scalp, in the eyes, and on the tip of the tongue. Studies suggest that people with xeroderma pigmentosum may also have an increased risk of other types of cancer, including brain tumors. Additionally, affected individuals who smoke cigarettes have a significantly increased risk of lung cancer.
The eyes of people with xeroderma pigmentosum may be painfully sensitive to UV rays from the sun. If the eyes are not protected from the sun, they may become bloodshot and irritated, and the clear front covering of the eyes (the cornea) may become cloudy. In some people, the eyelashes fall out and the eyelids may be thin and turn abnormally inward or outward. In addition to an increased risk of eye cancer, xeroderma pigmentosum is associated with noncancerous growths on the eye. Many of these eye abnormalities can impair vision.
About 30 percent of people with xeroderma pigmentosum develop progressive neurological abnormalities in addition to problems involving the skin and eyes. These abnormalities can include hearing loss, poor coordination, difficulty walking, movement problems, loss of intellectual function, difficulty swallowing and talking, and seizures. When these neurological problems occur, they tend to worsen with time.
Researchers have identified at least eight inherited forms of xeroderma pigmentosum: complementation group A (XP-A) through complementation group G (XP-G) plus a variant type (XP-V). The types are distinguished by their genetic cause. All of the types increase skin cancer risk, although some are more likely than others to be associated with neurological abnormalities.
Explanation:
Help pls i will give brainly
(PLS DONT CHOOSE THE WRONG ONE)
Answer:
C. August, September, October
Explanation:
Hope this helps brainliest? :)
Answer:
C Aug sept oct
Explanation:
WARNING (It's actually 8th grade science but it's not on here...)
The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below. Which of these elements is in this group?
Characteristics of a group of elements
•It's shiny
•It's a solid at room temperature
• It has atoms with 2 valence electrons
Answer Choices
A. Lithium
B. Strontium
C. Aluminum
D. Silicon