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Question 18M.1.SL.TZ2.29

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.29
Level SL Paper 1 Time zone TZ2
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
18M.1.SL.TZ2.29

Three gases in the atmosphere are

          I.     carbon dioxide (CO2)

          II.     dinitrogen monoxide (N2O)

          III.     oxygen (O2).

Which of these are considered to be greenhouse gases?

A.     I and II only

B.     I and III only

C.     II and III only

D.     I, II and III

[1]

Markscheme

A

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