The answer is A) air temperature.
Your answer is going to be A. Excretory.
Explanation:
Hey there!!
We have,
1000gm = 1kg

= 0.237 kg
<em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
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.
Melanosis is any condition of unusual deposits of black pigment in body tissues or organs. Therefore, your correct answer would be letter choice A provided.