Which of the following components of an ecosystem are not abiotic factors? A. fallen leaves
B. wind
C. small rocks
D. sunlight

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 it important to study each branch of earth science?

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans