During the Industrial Revolution, coal-burning factories produced black soot that covered the trees and killed the lichen in and near cities. In these areas the number of dark peppered moths
increased, while the number of light peppered moths decreased. What contributed to this
change?

Which of the following statements was true about lincoln's popularity at the time of the gettysburg address? a) he was just as popular as when he was elected. b) he was more popular with southerners than he had been at the beginning of the war. c) his popularity was very high. d) his popularity was very low.

Identify they difference in plant domestication between mesopotamia and mesoamerica during the neolithic revolution

What two advances did europeans borrowed from china