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Question 18M.1.SL.TZ1.19

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ1.19
Level SL Paper 1 Time zone TZ1
Command term Question number 19 Adapted from N/A
19.
[Maximum mark: 1]
18M.1.SL.TZ1.19

In addition to carbon dioxide, which of these greenhouse gases is the most significant?

A. Methane

B. Ozone

C. Nitrogen oxides

D. Water vapour

[1]

Markscheme

D

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