What are disadvantages with friction?

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

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