Nutrient Cycles Question Preview (ID: 63006)
Oxygen, Nitrogen, Carbon, And Rock Cycles.
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Which of the following is not a type of rock?
a) Metamorphic
b) Sedimentary
c) Igneous
d) Ignamorphic
How are metamorphic rocks formed?
a) By cooling and solidification of magma or lava
b) From the sediments of other rocks
c) By heat and pressure
d) They are not formed, they exist naturally from the earth's crust
Burning fossil fuels adds carbon dioxide to the atmosphere. If we continue to add carbon dioxide to the atmosphere at the current rate, how will this affect the carbon cycle?
a) The number of carbon atoms in the atmosphere will increase
b) The number of carbon atoms on Earth will increase
c) The carbon cycle will be unaffected
d) The number of carbon atoms in the atmosphere will decrease
The cycle where plants use carbon dioxide exhaled from humans and turn into oxygen and food for themselves is which cycle?
a) Carbon cycle
b) Water cycle
c) Oxygen cycle
d) Nitrogen cycle
In the oxygen cycle, which group of organisms replenishes a large portion of the atmospheric oxygen supply?
a) mammals
b) fungi
c) insects
d) plants
What step in the rock cycle would be required to change an igneous rock into a sedimentary rock?
a) weathering, erosion, deposition, compaction, and cementation.
b) melting and cooling
c) melting and pressure
d) heat and pressure
The carbon cycle relies on the use of....
a) Photosynthesis
b) Respiration
c) Photosynthesis and Respiration
d) Decay
In the nitrogen cycle, nitrogen is continuously recycled. Which types of organisms break down nitrogen compounds in dead organisms and recycle them into the soil?
a) bacteria
b) autotrophs
c) green plants
d) herbivores
What is the role of bacteria in the nitrogen cycle?
a) Converting atmosphereic nitrogen to a more usable form for plants
b) Reducing the amount of ammonia in the soil
c) Increasing levels of nitrogen in consumers
d) Increasing photosynthesis in plants
We know the carbon cycle involves moving carbon around the earth in a cycle. Plants and trees join in the carbon cycle in a couple of ways. Which one will clean carbon out of the air?
a) by absorbing water through their roots
b) by dying and decomposing into the earth making fossil fuels
c) by completing photosynthesis
d) by transpiration
The oxygen found in the water molecule (H20) is the oxygen that fish can use to breathe.
a) True
b) False
c)
d)
When humans burn fossil fuels, most of the carbon quickly enters the ________ as carbon dioxide.
a) atmosphere
b) water
c) sun
d) air
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