Ascientist wants to determine the effect of a new type of gasoline, he fills one with normal and the other with the new, which is the control group a: the car with the normal b: the car with the new c: the new type of gas d: the amount of gas used

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Which of the following is not associated with invasive species?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.