AnswersRVACR EcologyAnalyzing Evidence

The Importance of Carbon Answers

10 verified answers1 views
1
Free Preview

What is stored in carbon bonds?

A
water
B
energy
C
glucose
D
ATP
2
Free Preview

How will the level of carbon in the atmosphere change if humans do nothing to reduce their impact on the carbon cycle?

A
Carbon will be removed from the atmosphere altogether.
B
The level of carbon in the atmosphere will decrease.
C
Carbon in the atmosphere will remain the same.
D
The level of carbon in the atmosphere will increase.
3

Which reason best explains why living things need carbon?

A
Carbon bonds are a source of energy.
B
Carbon levels reduce global temperatures.
C
Carbon acts as an important solvent.
D
Carbon is everywhere.
4

What happens when humans burn fossil fuels?

A
Carbon is released into the atmosphere.
B
Carbon is removed from the atmosphere.
C
Carbon is added to the the carbon cycle.
D
Carbon is destroyed.
5

By which process are fossil fuels formed?

A
burning
B
photosynthesis
C
decomposition
D
cellular respiration
6

What would most likely happen to life on Earth if the carbon cycle stopped?

A
Life would continue unchanged.
B
Life would cease to exist.
C
Only plants would be affected.
D
Only animals would be affected.
7

Which statement best illustrates why carbon is so important to life on Earth?

A
Carbon occurs as a solid, a liquid, and a gas.
B
Carbon is found in both the living and nonliving worlds.
C
Carbon is stored in large quantities in fossil fuels.
D
Carbon-based macromolecules are found in living things.
8

Which action would most likely increase the amount of carbon in the environment?

A
choosing to burn coal to generate electricity
B
using energy-efficient appliances in place of older, traditional appliances
C
reusing shopping bags instead of using disposable plastic bags
D
recycling paper and plastic instead of throwing it in the trash
9

The table below shows the level of carbon dioxide in the atmosphere for a period of 50 years.Carbon Dioxide LevelWhat conclusion can you make about how the carbon dioxide level has changed over time?

Question illustration
A
The level has not changed.
B
The level of CO2 has declined.
C
The level of CO2 has risen.
D
The level has reached its maximum.
10

Which reason best explains why carbon is able to form macromolecules?

A
Carbon is a very large element.
B
Carbon can bond with many elements.
C
Carbon is found in all living things.
D
Carbon is found in energy-storing molecules.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Characteristics of Life

Quiz
10 verified answers

The Importance of Water

Quiz
10 verified answers

Carbohydrates

The Importance of Carbon Answers — RVACR Ecology