C.
Water is polar because one side of the molecule is positive and the other is negative.
Answer: combustion causes a chemical reaction between nitrogen and oxygen in the engine.
Explanation:
Nitrogen oxides are produced in combustion processes, partly from nitrogen compounds in the fuel, but mostly by direct combination of atmospheric oxygen and nitrogen in flames. Nitrogen oxides are produced naturally by lightning, and also, to a small extent, by microbial processes in soils.
Answer: I believe it is B
Answer:
C. Dissecting microscope
Explanation:
It is trying to see the surface
