As you move northwest through the Hawaiian Islands, the age of the islands increases. The older islands are northwest of the newer islands because they *

(1) which phrase describes an important agricultural change that occurred during the mississippian period? (a) first cultivation of wild grains (b) expansion of marsh elder farming (c) spread of corn agriculture (d) gathering of nuts and berries (2) which group of native americans use northwestern arkansas as it’s traditional hunting grounds? (a) osage (b) quapaw (c) woodland (d) caddo

Which of the following statements about the migration of workers to other countries is false?

Which factors add to the greenhouse effect and are caused by human activities?