What is the major environmental problem in the Canadian Shield?

A. acid rain

B. urban heat

C. deforestation

D. soil contamination

What are the two longest rivers in the united states

Which of these lines of evidence were used to support Wegener's continental drift hypothesis? (select all that apply) a) The distribution of fossils b) Fit of the continents c) Match of mountain belts d) Earthquake locations e) Paleoclimate data

Which sphere of the earth contains all living organisms

Using five or more sentences, describe what a mineral is and give examples of each type of mineral.

Physical geography: major resources Norway

Which statement does not describe how the ocean shapes landforms? A. currents erode beaches. B. sand and gravel in water weather rocks. C. water deposits material and forms deltas. D. waves drop sand and build a up shorelines.

What type of map would most likely be used to depict grizzly bear population density in Glacier National Park?

Which gas is inferred to have been absent from earth's atmosphere during the early Archean era

anout 140000 japanese died in this japanese coty when americans dropped an atomic bomb at the end of world war 2

Why is it significant that san martin resigned from the spanish army