The Cycles of Matter

Question 1

Which of the following statements is true?

Revolt · Accepted Answer

All cycles of matter are equally important for life to be sustained.

Question 2

Photolysis is a part of which cycle?

Revolt · Accepted Answer

oxygen

Question 3

Biogeochemical cycles recycle water and natural elements throughout the biosphere to ensure that organisms do not run out of these substances. Diagram by NASA/Kevin Saff Diagram by Ilmari Karonen Which of the following processes plays an important role in cycling carbon, nitrogen, and phosphorus?

Revolt · Accepted Answer

decomposition

Question 4

Biogeochemical cycles recycle water and natural elements throughout the biosphere to ensure that organisms do not run out of these substances. Thiobacillus denitrificans is a specialized species of bacteria that obtains its energy from carbon dioxide and inorganic nitrogen-containing compounds such as nitrates in its environment. It is used in the bioremediation of groundwater that contains excess nitrate. How does Thiobacillus denitrificans help bioremediate groundwater?

Revolt · Accepted Answer

denitrification

Question 5

In the BOREAS study, scientists are trying to determine if a large amount of carbon is being taken in by what biome?

Revolt · Accepted Answer

boreal forest

Question 6

Where is the water stored during the water cycle?

Revolt · Accepted Answer

all of the above

Question 7

The biogeochemical cycles move through biotic and abiotic regions.

Revolt · Accepted Answer

T

Question 8

Which of the following does not take place in the water cycle?

Revolt · Accepted Answer

carbonation

Question 9

The sun is the ultimate source for energy on the Earth.

Revolt · Accepted Answer

T

Question 10

Nitrogen fixation _______.

Revolt · Accepted Answer

is the process where nitrogen is converted to a usable form

The Cycles of Matter Answers

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