Which fossil fuel is the remains of ancient plants?
A. Coal
B. Petroleum
C. Natural Gas

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

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