The examination of the relationships between organisms and their environment is the science known as:

What is an interglacial?

A) an area between glaciers B) a warm period when glacial ice volume is relatively low C) a cold period when glacial ice volume is relatively high D) the zone of a glacier in which flow occurs

What divides European Russiafrom Siberia?

A) the Ural Mountains B) the eastern border of Ukraine C) the center of Siberia D) a line running from the Baltic to the Adriatic E) along the trans-Siberian railroad

Which area is LEAST likely to have a flash flood?

a. western Washington state b. southern Arizona c. eastern Nevada d. southern Texas e. central South Dakota

What is occurring in the region around the Chilkat River in Alaska that allows chum salmon to spawn during the winter months?

a. Large mounds of darkened rocks are heated by the sun and keep the river from freezing. b. A nuclear power plant is generating wastewater heat that prevents the river from freezing. c. Warm winds and ocean currents from the south keep the river from freezing through most of the winter. d. Thermal springs heat and break up the ice.