De ce pe platforma Sud-Americana,în afară de cărbune, petrol si gaze naturale, se formeaza si minereuri metalice

Why did local phone companies have a natural monopoly before the arrival of cellular technology?

Which statement best describes a polygon? A). a closed plane figure with three or more sides that are straight B). a closed plane figure with four or more sides C). an open or closed plane figure D).

What is the name for a basaltic lava flow that has a ropy, folded surface?

Because of its proximity tot the ring of fire, Southeast Asia often is threatened by massive and destructive waves

Describe how the tectonic plates move. Describe the layers of the earth and how they are different from each other.

How long does Earth take to travel around the sun?

Select the materials of which atmosphere is composed

Choose an interesting spot or area on the Earth and tell its relative location using two different methods.

B. The depth of the ocean far from the ridge (or the height of the ridge above the background ocean) ?

Regarding tropical rainforest the term evapotranspiration refers to the fact that? a. deforestation causes a loss of soil fertility due to water evaporation b. deforestation causes a decline in atmospheric oxygen c.