What is the largest source of water pollution in the united states?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Resperation is a way to release carbon back into the atmosphere