Carbon Cycle and Fossil Fuels Flashcard

Front

What is the primary gas that plants take from the air for photosynthesis?

Back

Carbon Dioxide

Front

Which form of carbon is used in pencils?

Back

Graphite

Front

What percentage of the human body is made up of carbon?

Back

20%

Front

What process do plants use to convert carbon dioxide into carbohydrates?

Back

Photosynthesis

Front

What is the main component of fossil fuels?

Back

Carbon

Front

What happens to carbon dioxide when organisms respire?

Back

It is released into the air

Front

Which material is harder than steel and consists of a single layer of carbon atoms?

Back

Graphene

Front

What is the process called when carbon in fossil fuels combines with oxygen?

Back

Combustion

Front

What type of carbon structure allows graphite to be soft and slippery?

Back

Layered arrangement

Front

How are fossil fuels formed?

Back

From the remains of organisms buried under sediment