Wilber finds sandstone in his backyard. which of the folllowing is the most likely conclusion? a) his house was once near a volcano. b) there was once water in his backyard. c) a mid-ocean ridge runs beneath his backyard. d) the land around his house was once a mountain.

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

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?

In science and physics what is the standard unit of measure for speed?