What is the greatest challenge for middle east based on its physical characteristics?
a. pollution
b. lack of usable water
c. no fertile soil
d. cooperation from other countries

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Sarah is making a scale drawing of a painting that is 48inches wide by 120 inches high her paper is 12 inches wide and 24 inches tall she decides to use a scale 1 inches equals 4 inches is this a reasonable scale