https://study.com/academy/lesson/how-geography-isolated-ancient-china.html
That video will explain everything. I have already learned this in school, and it is very important on the test. VERY IMPORTANT.
Answer:
Census
Explanation:
A census is the process of data collection and is the systematic acquisition of data about the given population.
To reduce the risk of flooding hope I could help :)
1) Through fertilization of an egg.
2) .5
3) Their body ages faster then ours.
4) They're made of love. (Also known as organs, water, basically what we are made of like any mammal.)