Halim placed his new wooden bench on an empty patch of grass in his garden. After a few weeks, he noted that the grass under the bench: in area W was not growing well. 

Which one of the following best explains why the grass was not growing well? 

(1) The grass patch did not receive enough water.

(2) The grass patch did not receive enough oxygen.

(3) The grass patch did not receive enough sunlight.

(4) The grass patch did not receive enough carbon dioxide.

Answer: 3

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