Answer:
Chemists research and experiment with the properties of chemical substances, improve the quality of established chemical products, measure the effects of chemical compounds in various situations, study inter-chemical reactions, and establish new technologies in the field.
4# is a fossil that forms from plants 5# it was maybe a ocean or big lake
B. Evaporation, When water is heated to its boiling point, it becomes water vapor and enters the atmosphere.
Yes, that's true.
The reason is that water is a polar solvent and the organif fact is not polar.
In chemistry there is a rule that similar dissolves similar. This is polar dissolves polar and non polar dissolves non polar.