Why did Alfred Wegener believe that all the continents once had been joined in a super continent called Pangaea? A. Most of the continents seem to fit together like a puzzle

B. Lithospheric plates all have the same chemical composition

C. All the continents once had the same climate

D. A mountain range that is made of basalt rock is found along the coast of each continent​

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)

Which type of energy is transferred by convection currents?