Which of the following represent human systems?

Hoover Dam

genetic engineering

volcanic eruptions

the Panama Canal

plate tectonics

What city became an important center for trade between the Mediterranean and the Baltic Sea areas in the A. D. 800s

he cultures of western and central Africa have unique musical and dancing traditions. In a short paragraph, explain the role that masks play in the dance of western and central Africa.

Describe characteristics of cultural landscapes.

What part of Canada's entire population lives in the southern lowlands of Ontario? one-tenth. one-half. one-fourth or one-third

Does the rapture happen before or after the tribulation?

What environmental problem results from draining oil that had been underground? A:subsidence B:channels C:processing D:conservation

Why does north Korea think they are superior

The northern portion of Canada is covered by boreal forests which are characterized by

Eventually became the capital of Russia

Which type of earth scientist was most receptive to Wegener's ideas? A. Seismologists (earthquakes and deep earth) B. Petrologists (igneous rocks) C. Geomorphologists (landscape shapes) D. Paleontologists (fossil organisms)