Cycles Of Matter Question Preview (ID: 56193)
Cycles.
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Anything that has mass and takes up space is
a) energy.
b) matter.
c) alien.
d) supersonic.
Photosynthesis, respiration, and decomposition are part of the
a) water cycle
b) carbon cycle
c) nitrogen cycle
d) cell cycle
Free nitrogen cannot be used by organisms.
a) Maybe
b) I have no idea!
c) True
d) False
Plants take in fixed nitrogen from the air.
a) False
b) I have no idea!
c) True
d) Maybe
The process of changing free nitrogen into the usable form is called
a) nitrogen bases
b) nitrogen oxide
c) nitrogen fixation
d) nitrogen respiration
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 Earth's atmosphere is made of 78%
a) oxygen
b) nitrogen
c) carbon
d) hydrogen
The part of the water cycle when clouds are created is
a) evaporation
b) respiration
c) condensation
d) precipitation
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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