Why do microbiologists need to isolate bacterial colonies from a specimen?

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

What is the importantence of the carbon and nitretan cycles in the environment

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.