Answer:
A volcano is formed when hot molten rock, ash and gases escape from an opening in the Earth's surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here. As a volcano erupts, it spills lava that flows downslope. Hot ash and gases are thrown into the air.
Explanation:
We should care about the earth every day, not just on a singular day. though it is a great thing to celebrate! the earth has given us so much and we should be more thankful and take better care of everything.
The ozone is an important feature which blocks out the radiation
Answer:
answer is B.
Explanation:
it shows that harappa could store excess food to save,sell or trade with others.