While none of the answers is what I consider the main idea of this essay, I believe that C is the best possible answer. Each of the paragraphs discusses how particular groups are impacted by the use of lights in urban areas.
hope this helped :)
alisa202
Explanation:
yeah why not dude . . . . . !
Answer:
the awnser is *use googel or a calculator and find the formula its really easy lean it* <3
Explanation:
It is the concept of surface tension that helps the coin to float on the top of the water in the glass. The surface tension acts just opposite to the gravitational force and that is why when any metal placed in the water it will float and come on the surface.