Which statement best describes the effect of scientific advances on society? a. they always have a positive impact on society. b. they are inspired by the needs of society. c. they do not affect society beyond the community level. d. they always increase the cost of produce and technology.

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

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?