Which is a renewable resource?
A) coal
B) sunshine
C) gasoline
D) natural gas

Why do you think the puppy litter was all dark-haired?

What are the student's observations and inferences before he starts his investigation?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.