<span>Many scientific investigations have provided evidence to support this as the best explanation of the data</span>
Answer:
Volcanoes cool off the earth by emitting heat from its interior. They also add islands and for example, Hawaii was created / is made out of volcanoes. The deposits from volcanoes can also be used for building materials. Volcanic explosions have caused the atmosphere and oceans to form. Volcanic deposits also create land which is fertile.
You mean physical science?
10 because you divide 200 by 20