2. Which of these is NOT caused by human population growth? A) Reduced extinction rates
B) Increased air and water pollution
C) Loss of topsoil, agricultural land, and animal habitats
D) Insufficient amounts of freshwater available to meet demand

Fossil fuels are organic compounds that are made from

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car