Cycles Of Matter Question Preview (ID: 56193)


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The part of the water cycle when clouds are created is
a) evaporation
b) respiration
c) condensation
d) precipitation

The Earth's atmosphere is made of 78%
a) oxygen
b) nitrogen
c) carbon
d) hydrogen

Decomposers break down dead plants and animals that have nitrogen in them.
a) true
b) false
c) only on months ending in Y
d) sometimes.

The process of changing free nitrogen into the usable form is called
a) nitrogen bases
b) nitrogen oxide
c) nitrogen fixation
d) nitrogen respiration

Plants take in fixed nitrogen from the air.
a) False
b) I have no idea!
c) True
d) Maybe

Free nitrogen cannot be used by organisms.
a) Maybe
b) I have no idea!
c) True
d) False

Photosynthesis, respiration, and decomposition are part of the
a) water cycle
b) carbon cycle
c) nitrogen cycle
d) cell cycle

Anything that has mass and takes up space is
a) energy.
b) matter.
c) alien.
d) supersonic.

The breaking down of dead organisms is called
a) decomposition
b) combustion
c) respiration
d) photosynthesis

The part of the water cycle that uses the sun's heat is
a) evaporation
b) condensation
c) respiration
d) transpiration

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