Trenches were built during world war i for what reason? a. to reroute water away from the battlefields b. to protect soldiers from gas attacks c. to gain access to needed metal in the ground d. to protect soldiers from machine gun fire

Consider the events in alfred wegener's life that led to his development of the continental drift hypothesis. review the items below and determine whether each item is (1) an observation that led alfred wegener to develop his continental drift hypothesis, or (2) evidence wegener gathered to support his proposal.

Amarket dominated by one seller is called a monopoly. select the best answer from the choices provided t f

Which term would not describe genghis khan? ambitious kind strategic ruthless cruel brutal cunning capable brilliant