Darwin’s work on the theory of evolution occurred at about the same time that harvey noticed the continuous circulation of the blood. linnaeus developed binomial nomenclature. mendel developed his laws of heredity. copernicus suggested that the earth orbits the sun.

The air that we breath is made mostly of which gaseous molecule

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

What happens when a rubber rod is rubbed with a piece of fur?