Unit 20 · Human Influences on Ecosystems

Question Bank

Cambridge IGCSE Biology 0610 · 78 questions

Q44Human Influences on Ecosystems

Which gas released by cattle contributes to global warming?

(a)Nitrogen

(b)Methane

(c)Oxygen

(d)Sulfur dioxide

Correct answer: (b) Methane

Explanation: Methane is a powerful greenhouse gas produced in cattle digestion.

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