Barnacles and whales have a commensalistic relationship in which barnacles benefit. if the barnacle population decreased, what would most likely happen to the whale population?
a. become extinct
b. decrease
c. increase
d. stay the same

What did roosevelt believe was a common cause of both bank runs and the great depression?

As american population grew between 1820 and 1850, the percentage of americans living on farms also grew. a. true b. false

Based on this poster, what conclusion can be made about the u. s. government during world war i? it wanted to boycott trade with enemy nations. it wanted to provide low-cost loans to its allies. it was not able to fully finance the war effort through taxes. it believed the majority of its citizens did not support the war.