The answer is: <span>Ecological Succession
</span><span>If I managed to help you, please make sure to mark my answer as the "Brainliest" answer. Thanks! :)</span>
The element Carbon is present in the human body
If the cell dies,it decomposes
Salt concentration is the factor among the following factors given in the question that does not vary between a fast flowing river and a pond that receives no water input. The correct option among all the options that are given in the question is the second option. I hope the answer comes to your help.
