What is not a greenhouse gas?

• N₂

• NO₂

• CO

• CH₄

The greenhouse effect is caused by human activities

• True

• False

The Sun emits the following radiation, EXCEPT:

• UV light

• visible light

• IR radiation

• beta radiation

The ozone layer reflects the:

• visible light

• UV light

• IR radiation

The temperature of the atmosphere increases because:

• Cars generate energy

• UV light makes a reaction

• Greenhouse gases absorb heat

• The ozone layer generates heat

Global warming is a natural phenomena

• True

• False

the exceed of CO₂ emissions come from?

• climate change

• Garbage and soil pollution

• Burning of fossil fuels

• Use of nuclear energy

If more CO₂ is released to atmosphere, the global temperature of the earth will decrease.

• True

• False

What activity contributes the most to the carbon footprint?

• to buy local food

• to travel by airplane

• use of bicycle

• use solar panels

Gas that is used as an equivalent to measure the total greenhouse emission caused by our activities

• CH₄

• NO₂

• C

• CO₂