Answer:
Heres what I have.
Explanation:
The density of an object determines whether it will float or sink in another substance. An object will float if it is less dense than the liquid it is placed in. An object will sink if it is more dense than the liquid it is placed in.
Answer:
No. You will not have to pay unless it asks you to for some reason. Try contacting them if it does. But im sure it most likely wont!
The answer is a. The general idea of the essay should come first.