Topic Test

Question 1

How are the carbon, nitrogen, and oxygen cycles similar?a.They are all biogeochemical cycles.b.They all involve an interaction between living and nonliving elements.c.They are all part of the Earth system.d.All of the above.

Revolt · Accepted Answer

D

Question 2

What is the main advantage to using satellites to measure climate change?a.They can measure aspects of climate globally.b.They are unaffected by the weather conditions they measure.c.They are a universal tool for measuring all factors of climate.d.They can measure the amount of rainfall a specific area receives.

Revolt · Accepted Answer

A

Question 3

Which of the following statements about positive feedback mechanisms is not true?a.Positive feedback mechanisms can result from human activity.b.Positive feedback mechanisms can occur naturally.c.Positive feedback mechanisms lead to increased change.d.Positive feedback mechanisms reduce change in a system.

Revolt · Accepted Answer

D

Question 4

The biosphere is the only one of Earth’s systems that contains life.

Revolt · Accepted Answer

T

Question 5

Explain how the biosphere facilitates movement of water from the geosphere to the atmosphere.

Revolt · Accepted Answer

The biosphere includes all living components of the Earth. Plants, a part of the biosphere, pull water from the ground, part of the geosphere, for their use in the process of creating food. Water from the plants is incorporated into the atmosphere through a process called transpiration, where water from the plant evaporates and enters the atmosphere.

Question 6

Which of the following about the biosphere is true?a.It only interacts with the atmosphere.b.It includes oceans, lakes, rivers, and groundwaterc.It can be considered a global ecosystem.d.It includes the core, mantle, and crust.

Revolt · Accepted Answer

C

Question 7

What are some advantages of tracking changes in the climate system?

Revolt · Accepted Answer

Tracking changes in the climate system can help forecast weather conditions. It can also help predict natural disasters, such as hurricanes. Another advantage of tracking changes in the climate system is the ability to determine human impact on the climate system.

Question 8

Explain how the biosphere interacts with the atmosphere.

Revolt · Accepted Answer

Plants in the biosphere consume carbon dioxide from the atmosphere and emit oxygen back into the atmosphere as a result of photosynthesis. Animals consume oxygen from the atmosphere and emit carbon dioxide back into the atmosphere as a result of cellular respiration.

Question 9

Landfills produce methane, which is a greenhouse gas and contributes to global warming.

Revolt · Accepted Answer

T

Question 10

The Gaia hypothesis is an example of _______.a.positive feedbackb.negative feedbackc.glacial episodesd.system overload

Revolt · Accepted Answer

B

Topic Test Answers

More from this Course

TRY EDGENUITY HACKS