Read each example and identify it with one of the mechanisms that influence gene pools

How to convert a density of 0.791g/cm3 to lb/ft3

What is the independent variable in this investigation? mass volume sample number substance density

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of