Approximately how many miles is it from mexico city to san antonio, texas? About how far in kilometers would one have to travel going from Portland to san Francisco?

Lava and other matierls luanced from a volcano and into the air are referenced as

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing?

How did geographical features create a civilization in china