Which observation proves that a cell is a eukaryote?
a. it contains dna
b. it has dna inside a nucleus.
c. it has a cell membrane.
d. it contains ribosomes.

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

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis