This layer is comprised of the nearly invisible layers of gases that surround the planet a. the lithosphere b. the biosphere c. the atmosphere d. the hydrosphere

Which of these organisms have the greatest amount of cell specialized

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Why is carbon the backbone of liveing things