<span>Mutations sometimes improve the chances of survival for an animal.
But rather rarely. Advantageous mutations do happen, but neutral and harmful mutations are way more common.
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Answer: The sensual aspect of intercourse became more important.
Explanation:
There are different development stages in humans; from infant to adolescent to adulthood. The word "When humans begins to walk upright' shows the development stage of maturity. This usually takes place in adolescents. The sensual aspect of intercourse became more important. Sex is one of the drives that is behind every thought, feeling, and behavior.
This causes a phenomenon referred
to as valve regurgitation. This reduces the flow of blood in the blood vessels
and causes a reduction in the oxygenation of tissues of the body. This causes homeostatic signaling by the body resulting
in the exertion
of the heart pumping and increased breathing (heavy breathing). This is why
some of the symptoms include shortness of breath,
fatigue,
and light-headedness.
You can Chanel it around a town so there is no flooding
If some place needs water then you can divert the water to the specific place
Also stopping it and creating a dam can offer the positive results of inexpensive energy, increased recreation opportunity and flood control
Hope this helps