Systems of the Biosphere

Question 1

Earth is a system comprised of interacting processes.

Revolt · Accepted Answer

T

Question 2

The atmosphere is unaffected by changes in the geosphere.

Revolt · Accepted Answer

F

Question 3

Human impact on one system leads to changes in more of Earth’s systems.

Revolt · Accepted Answer

T

Question 4

What is the main difference between negative and positive feedback?

Revolt · Accepted Answer

Positive feedback leads to system instability, while negative feedback leads to system stability.

Question 5

Positive feedback interactions in Earth’s systems are always a result of human action.

Revolt · Accepted Answer

F

Question 6

Which of the following best explains why the biosphere is a key component of the Earth’s systems?

Revolt · Accepted Answer

The biosphere is a key component of the Earth’s systems because it helps drive the other systems by interacting with and exchanging matter and energy with the other spheres.

Question 7

Earth’s systems interact through _______.

Revolt · Accepted Answer

feedback mechanisms

Question 8

The hydrosphere does not overlap with any other spheres.

Revolt · Accepted Answer

F

Question 9

Which is not an example of an earth system cycle?

Revolt · Accepted Answer

tsunamis

Question 10

Glacial episodes are an example of _______.

Revolt · Accepted Answer

positive feedback

Systems of the Biosphere Answers

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