Answer: C polluted water and soil can cause many deseases and side effect towards humans
societal law is A statement about how things act in the natural world. the wire and electro magnet need to touch in question 2. a decrease in spee decreases kinetic energy. the test variable was the distance traveled by the scrunched paper.
Hadean is the first eon of precambrian, and took place around 4.6 and 4.0 billion years ago.
Explanation:
The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.
Adhesion water sticking to a foreign substance. cohesion is water sticking to itself.