Cycles In Nature #2: Question Preview (ID: 16368)

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How many steps are there in the water cycle?
a) 5
b) 3
c) 4
d) 2

Which process do molecules of liquid water absorb energy and changes into the gas state?
a) condensation
b) precipitation
c) evaporation
d) recycling

The step in the water cycle in which water vapor becomes liquid water
a) condensation
b) recycling
c) evaporation
d) nitrogen fixation

Nitrogen in the soil is used by
a) plants
b) animals
c) both a and b
d) neither a nor b

What is a role of plants in the carbon cycle
a) Plants take in nitrogen and release carbon dioxide
b) Plants take in carbon dioxide and passes it to animals
c) Plants take in carbon dioxide released by other organisms
d) Plants use carbon dioxide to make protein

What is the driven force of the water cycle
a) soil
b) clouds
c) sunlight
d) runoff

The process by which bacteria return nitrogen gas to the atmosphere
a) reproduction
b) excretion
c) nitrogen fixation
d) denitrification

The element that help plants grow
a) nitrogen
b) argon
c) oxygen
d) carbon

Photosynthesis is part of which one of nature's cycles
a) nitrogen cycle
b) water cycle
c) oxygen cycle
d) carbon cycle

Gas removed from the air during photosynthesis
a) carbon dioxide
b) nitrogen
c) argon
d) carbon

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