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

Name one body of water the merchants traveled on

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

Which governing principle is best reflected by the representative government created by the constitution a. separation of opwer b. republicanism c. rule of law d. limited government