spheres
What are the 4 components of Earth
Lithosphere, hydrosphere, biosphere, atmopshere
How do aquatic animals get oxygen?
they filter the water for dissolved water
What is a reservoir?
A place where atoms of an element are held for long periods of time.
What is the atmosphere full of?
nitrogen gas
Which sphere is before the hydrosphere?
lithosphere
What is the last step in the oxygen cycle?
5
What do sea creatures build using carbonate ions?
sea creatures use carbonate ions to build their shells.
what does the bacteria change nitrogen gas to in the soil?
ammonia
what sphere is called studying the core of the earth?
lithosphere
what is the first step in the oxygen cycle?
photosynthesis
what are the carbon 4 main reservoirs
atmosphere, biosphere, lithosphere, hydrosphere
what does ammonia convert to after having more bacteria added to it?
Nitrites
what sphere is after biosphere?
atmosphere
what is after sedimentation?
dissolving
What is the process that changes dead organisms into fossil fuels?
Decomposition
what do the nitrites turn into?
nitrates
lithosphere, hydrosphere, biosphere, atmosphere
list the oxygen cycle in order
photosynthesis, respiration, sedimentation, dissolving, weathering.
What are the two sources of energy for the carbon cycle?
List the nitrogen cycle in order
nitrogen gas, ammonia, nitrites, nitrates