Which is the independent variable? Dependent variable?
Will an egg float higher in water with more salt?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

What gases are carried by the blood