Why do doctors try to remove tumors from the body?

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

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

How does climate change affect producers?