Well , run off water plays a big part in this.
run off water is usually when water is in a puddle or on the ground and ran off into the sewer.
i hope this helps you a lot
Answer:
Genes are the instructions for life as we know it. They affect your development before you're even born and play a role in everything from your appearance to your personality. Genes contain information about your heritage and your risk for certain diseases.
Explanation:
The answer is B: P
in which the P stands for Parent generation
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