Unit 2 Zombie Fires: Lesson 1-6 Test Review

Front

What is the primary result of photosynthesis in plants?

Back

Plants convert carbon dioxide and water into sugar and oxygen.

Front

What is the main fuel source for zombie fires?

Back

Peat in the thawing permafrost

Front

Why are zombie fires becoming more common?

Back

Climate change is causing permafrost to thaw more frequently

Front

How do zombie fires release energy and matter into the atmosphere?

Back

By burning peat and releasing carbon dioxide and smoke.

Front

What is peat made from?

Back

Fossilized plants

Front

Why does peat burn so much when ignited?

Back

It is carbon-based and releases CO₂ when burned

Front

What happens when peat burns?

Back

It releases carbon dioxide and energy

Front

What is permafrost?

Back

Ground that stays frozen for many years, even centuries

Front

How does permafrost relate to peat?

Back

Peat is found in permafrost and is revealed when permafrost thaws.

Front

Why does peat accumulate in permafrost?

Back

Cold temperatures and low oxygen slow decomposition.