If research is restricted, then the new discoveries made are limited. Which action is most likely to decrease the number of discoveries scientists can make?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground

Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear