D. It expands and contrasts
Hope this helps!!
<span>dendritic is your answer
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The purpose of the organs<span> of the </span>male reproductive system<span>is to perform the following </span>functions<span> To produce, maintain, and transport sperm </span><span> and protective fluid (semen) To discharge sperm within the female </span>reproductive tract<span> during sex</span>
Answer:
a dam flooding a valley
Explanation:
It would be a dam flooding a valley because in a new ecosystem there would then be a increased load of phosphorus and nitrogen and increased algae growth.
