What are substances that have the same composition, but different structures, known as? a. ions c. allotropes b. covalent twins d. phenotypes

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Aball horizontally thrown from a cliff at 8m/s

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above