2. what was the main cause of the french
and indian war (1754–1763)?
(1) disputed land claims in the ohio river
valley between the french and the british
(2) conflicts between american colonists and
the french over control of the great plains
(3) taxation of american colonists without
representation in parliament
(4) violation of trade agreements between
european nations and native american
indians

Which statement best summarizes the global depression?

Why hadn’t europeans used maritime routes before the age of exploration?

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater