1. a reliable experiment can have 2 or 3 independent variables
true or false

Landfills are waste disposal sites. they are often man-made depressions in the ground covered with a lining designed to prevent any leakage of waste materials. however, landfills can leak through the base resulting in negative impacts on the surrounding environments. what negative impact to the environment is caused by organic and inorganic constituents that are dissolved by rainfall in the landfills?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

What are some characteristics of a free enterprise economy?