Answer:
A. Pollen, stigma, pollination
Explanation:
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.
Without matter theyre is no nature
Answer:
The Endangered Species Act Of 1973
Explanation: