Systems of the Biosphere

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Which system protects us from radiation and the vacuum of space? a. geosphere b. hydrosphere c. atmosphere d. biosphere

C. atmophere

Earth is a system comprised of interacting processes. Please select the best answer from the choices provided

True

Human impact on one system leads to changes in more of Earth's systems. Please select the best answer from the choices provided

True

What is the most likely effect a decrease of plant life in the biosphere would have on the atmosphere? a. A decrease in plant life would have no effect on the atmosphere. b. A decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease. c. A decrease in plant life would cause carbon dioxide levels to decrease and oxygen levels to increase. d. A decrease in plant life would cause an increase in all gases in the atmosphere.

B. a decrease in plant life would cause carbon dioxide levels to increase and oxygen levels to decrease.

Which of the following is a function of the atmosphere? a. facilitating the process of rock formation b. providing a moderate, livable climate c. facilitating the process of photosynthesis d. serving as the interface between all spheres

B. providing a moderate, livable climate

What system includes the core, mantle, and crust of the Earth? a. geosphere b. hydrosphere c. atmosphere d. biosphere

A.geosphere

The atmosphere is unaffected by changes in the geosphere. Please select the best answer from the choices provided

False

The hydrosphere does not overlap with any other spheres. Please select the best answer from the choices provided

False

Which of the following best explains why the biosphere is a key component of the Earth's systems? a. The biosphere is a key component of the Earth's systems because it is a common concept to many disciplines in science. b. The biosphere is a key component of the Earth's systems because the seasonal cycles directly affect primary productivity. c. 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. d. The biosphere is a key component of the Earth's systems because it has evolved to create the chemical composition of the planet we know today.

D. The biosphere is a key component of the Earth's systems because it has evolved to create the chemical composition of the planet we know today.

Which of the following is a function of the geosphere? a. facilitating the movement of water through spheres through transpiration b. providing a moderate, livable climate c. facilitating the process of photosynthesis d. serving as the interface between the other spheres

D.serving as the interface between the other spheres


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