How did the geography of the fertile crescent the sumerians to prosper

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Which country in the video has the highest population growth rate?

Choose the factors that influence the climate of the u.s. northeast. distance from the equator proximity to large urban areas elevation secluded area distance from a large body of water