global warming

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

Burning fossil fuels is one of the main causes for global warming.

• True
• False

Which layer of the atmosphere do we live in?

• Troposphere
• Stratosphere
• Thermosphere
• Ionosphere

What is the greenhouse effect?

• warming of the earth due to gases in our atmosphere.
• cooling of the earth due to gases in our atmosphere

Which layer of the atmosphere contains ozone (O3) that protects us from radiation?

• Troposphere
• Thermosphere
• Exosphere
• Stratosphere

Without the Greenhouse Effect the Earth would be too

• warm 
• cold
• dead
• funny

Global warming and the greenhouse effect are exactly the same.

• True
• False

global warming is...

• a long —term increase in the

  average temperature of the Earth's climate system

• Unknown interactions of the Earth with

  The sun and the planets of the Solar

  system

• Vulcan

• tornado

Солнечная активность перевод

• Solar activity

• sun action

• Sun activities

• Solar action