A topographic map. Two thick red lines go through areas with index contour lines with numbers 450 and 500. A thin black line with hashes goes through areas with index contour lines with number 450. Which value is a good estimate of the railroad’s average elevation?

450
480
500
550

Scientist believe that earths core is around 6000°c where does this heat come from

What does a movement along the demand curve show

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.