Which choice is an abiotic feature of an ecosystem? a) dogs b) ants c) fungi d) minerals

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

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 type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled