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Crossword Puzzle
Crossword Puzzle

Global CO2 Crossword Essentials

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Global CO2 Crossword Essentials
 

Crossword Puzzle

Global CO2 Crossword EssentialsOnline version

Key terms about CO2 and climate change

by MENDOZA VALDES FRIDA
1

Colorless gas produced by respiration and combustion.

2

Chemical formula for this gas.

3

Biological process of breathing that releases this gas.

4

Natural process that traps heat in the planet's atmosphere.

5

Gas that traps heat and contributes to warming.

6

Thin layer of gases surrounding Earth.

7

Human activity that releases this gas by burning fuel.

8

Gas that helps keep the planet warm.

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