Answer: A substance is matter which has a specific composition and specific properties. Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance.
Explanation:
They saw how smoking effected the body since smoking was pushed as something good for a long time, a lot of people started smoking and after a few years doctors finally saw a difference between a smokers body and a non smokers body
Mountains can affect the climate of close lands. In some places , mountains also block rain, so that one side of a mountain range may be rainy. That means on the other side of the mountain, it could be a dry desert. Much of soaring moisture falls as rain on the windward side of the mountains.