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9.2 Earth and atmospheric science

9.2 Earth and atmospheric science

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Question 7
F

How do greenhouse gases help keep Earth warm?

[1]
A

They reflect sunlight back towards the Earth's surface

B

They absorb ultraviolet radiation arriving from the Sun

C

They absorb infrared radiation given off by the Earth

D

They react with oxygen in the air, releasing heat

Markscheme

9.2 Earth and atmospheric science Questions

  1. GCSE
  2. /Chemistry
  3. /9.2 Earth and atmospheric science

97 exam-style questions on Edexcel GCSE Chemistry 9.2 Earth and atmospheric science, covering 9.2.1 The Earth's early atmosphere, 9.2.2 How the atmosphere evolved, 9.2.3 Chemical test for oxygen, and 9.2.4 The greenhouse effect and climate change. Each one has a worked solution and a mark scheme showing where the marks go.

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