Describe the social structure of the aztec empire.

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

Develop your own point of view on whether the us should have expanded its borders. use information from the lesson and the maps to explain your opinion. give at least two reasons for your point of view and answer the following in complete sentences.

What was a cause of the boer war? a. conflicts between boers and bantu c. disputes over land ownership b. conflicts over water rights d. desire to control the region's mineral wealth select the best answer from the choices provided a b c d