The Cycles of Matter Answers

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1
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Which statements describe characteristics of Earth's geosphere? Select three options.

A
It is made up of living things.
B
It is mostly solid.
C
It includes liquid water.
D
It includes Earth's surface.
E
It includes Earth's interior.
F
It is made up of gases and airborne particles.
2
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A
helium
B
carbon
C
zinc
D
polonium
3

What is one negative effect of human influence on cycles of matter?

A
decreased soil nitrogen due to the harvesting of crops
B
decreased amount of carbon in the atmosphere due to deforestation
C
increased global warming due to the use of alternative energy sources
D
increased amount of water that is available to freshwater ecosystems
4

Why are bacteria needed in the nitrogen cycle?

A
Other living things cannot use atmospheric nitrogen.
B
Other living things cannot use the nitrogen in plants.
C
Bacteria are the main nitrogen reservoir.
D
Bacteria convert nitrogen gas into oxygen.
5

Humans affect Earth in many ways. The use of fossil fuels, the clear-cutting of forests, and controlled burns can affect the carbon cycle.Which process can help counteract these human interactions?

A
photosynthesis
B
respiration
C
decomposition
D
transpiration
6

Which process plays an important role in the cycling of both carbon and nitrogen?

A
photosynthesis
B
transpiration
C
decomposition
D
respiration
7

What protects Earth's surface?

A
the atmosphere
B
the hydrosphere
C
the geosphere
D
the biosphere
8

Which disruption in the water cycle would most likely affect photosynthesis?

A
heat causing an excess of transpiration
B
heat causing an excess of evaporation
C
heat causing an excess of condensation
D
heat causing an excess of precipitation
9

Which is the sphere that refers to the Earth’s water?

A
the geosphere
B
the atmosphere
C
the hydrosphere
D
the biosphere
10

Which two processes allow water to enter the atmosphere?

A
evaporation and transpiration
B
precipitation and condensation
C
condensation and evaporation
D
transpiration and precipitation

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