Answer:
1st one
Explanation:
DNA replace the old cells
Downstream river would have less water, so there would be less fish to catch.
River re-routing is a process wherein the mouth of the river is mouth to another location. Thus, existing mouth of the river will lose its water source and have less water. Fishes in the existing river path will decrease because of the decreased level of water.
100% because there is no dd making it not possible for them not to have dimples if dimples is dominant.