The grass affects the movement by helping the water not over flow / flood
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.
Earth’s <u>seasons</u> change in a yearly cycle because of the tilt of its rotation axis and Earth’s <u>orbit</u> around the Sun.
