3er period Geography

Organisms that do not decompose can be buried and become what?

• fossil fuels

• Water

• Air

• Nutrients

How do animals get carbon?

• They absorb it from the atmosphere.

• They do not get carbon from anywhere.

• By eating plants and or other animals.

When humans burn fossil fuels, most of the carbon quickly enters

the                       as carbon dioxide.

• Oxygen

• Plants

• Atmosphere

• Ground

Which process contributes carbon dioxide to the atmosphere?

• Tree farms

• photosynthesis

• Respiration

Our effect on the environment - a combination of what we consume, and the waste we produce.

• Human footprint

• Natural foot print

• Carbon Footprint

To reduce your carbon footprint, you should eat food that is....

• grown in other countries

• Grow locally

• Made in a factory

Which one of these does not add CO2 to the atmosphere?

• burning wood

• cooking with gas

• planting trees

What is Nitrogen support with life?

• Form bones

• Help plants to grow

• Build proteins and aminoacids

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

• Denitrification

• Ammonification

• Assimilation

Gas that makes up 78% of our atmosphere.

• Hydrogen

• Nitrogen

• Carbon Dioxide