WAEC Biology 2011 Theory — Question 9

Question 9 of 27 from the West African Examinations Council (WAEC) Biology 2011 Theory paper, with the correct answer and a full explanation.

3(a)(i) State the second law of thermodynamics.

Model answer

The second law of thermodynamics, as it applies to biological systems, states that when energy is transferred, there will be less energy available at the end of the transfer process than at the beginning.

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