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Date May 2012 Marks available 1 Reference code 12M.1.SL.TZ1.19
Level Standard level Paper Paper 1 Time zone Time zone 1
Command term State Question number 19 Adapted from N/A

Question

What is recycled in an ecosystem?

A. Nitrogen, carbon and energy are all recycled.
B. Nitrogen and carbon are recycled but not energy.
C. Nitrogen is recycled but not carbon or energy.
D. Nitrogen, carbon and energy are not recycled.

Markscheme

B

Examiners report

N/A

Syllabus sections

Core » Topic 4: Ecology » 4.2 Energy flow
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