Biogeochemical Cycles NUMERO UNO

Front

How many steps are there in the Geological Carbon Cycle?

Back

8

Front

How long does it take for the carbon cycle to complete a turn?

Back

Millions of years

Front

What is nitrogen fixation?

Back

When nitrogen gas is converted into ammonia

Front

Nitrogen makes up ________ percent of the air that we breathe.

Back

78%

Front

How are nitrogen-based fertilizers made?

Back

Combining nitrogen gas with hydrogen

Front

____________ is a process in which carbon dioxide is absorbed and converted into carbohydrates.

Back

Photosynthesis

Front

What is happening when one animal is consuming another?

Back

Energy is transferred through the food chain

Front

How much water resides in oceans, rivers, and lakes?

Back

97%

Front

What happens if precipitation falls to the ground faster than it can be absorbed?

Back

Runoff

Front

Carbon-based molecules that are released into the atmosphere are capable of trapping heat around the Earth. What are these molecules called?

Back

Greenhouse gases