DP Biology (first assessment 2025)

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Question 20N.1A.SL.TZ0.18

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.SL.TZ0.18
Level SL Paper 1A Time zone TZ0
Command term Question number 18 Adapted from N/A
18.
[Maximum mark: 1]
20N.1A.SL.TZ0.18

Under certain conditions, living organisms on Earth produce and release methane. What favours the production of methane?

A. Forest fires

B. High light intensity

C. Anaerobic conditions

D. Dry conditions

[1]

Markscheme

C

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