I think its c because both groups receive the same amount of of sunlight
An ecosystem<span> is </span>balanced<span> when the natural animals and plants and non-living components are in harmony- i.e. there is nothing to disturb the </span>balance<span>. With increasing pollution, change in migratory patterns, and rise of human population, many </span>ecosystems<span> are in danger of losing that harmony.</span>
The correct answer among all of the given choices would be the third choice, CLOUDS.
I hope this is the answer you were looking for and that it helps!! :)
