The use of which of the following resources would be most affected by changes in weather? A. wind
B. geothermal
C. natral gas
D. nuclear

In an energy pyramid, which level has the most available energy?

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.