Sign up for FREE

Global Warming

Last updated over 3 years ago

5 questions

1

1

1

1

1

Question 1

1.

Burning fossil fuels...

Removes carbon dioxide from the atmosphere

Adds carbon dioxide to the atmosphere that was never present in the atmosphere

Adds carbon dioxide to the atmosphere that has not been present for millions of years

Makes photosynthesis harder for plants

Question 2

2.

Which of these does NOT add carbon dioxide to the atmosphere?

Cooking with a natural gas stove

Burning wood

Planting trees

Riding in a bus

Question 3

3.

What might happen if the greenhouse effect didn't exist?

It would be too cold for humans to survive on Earth

The earth's temperature would be much more comfortable

The sun's rays would never reach the surface of the earth

The earth wouldn't have an atmosphere

Question 4

4.

The red line represents temperature. The blue line represents carbon dioxide. What was the average temperature in 2000?

14.4

14.3

380

270

Question 5

5.

What is the relationship between CO2 level (blue and average temperature (red)?

As CO2 increases, temperature decreases

As CO2 decreases, temperature increases

As CO2 increases, temperature increases

There is no relationship between the two