What causes plate tectonics?

1. Friction by convective cells in the mantle2. Gravitational sliding3. Slab pull

Which religious groups are involved in the conflict in the Middle East? 1Buddhists 2Christians 3Jews 4Muslims

which answer is right a. Desertinfication b. oil industry stability c. technological advances d. loss of endemic species is the major economic challenge facing the region.

Is an island, and beach formed by wind erosion or water erosion?

When the earth formed and the crust first cooled and solidified, what was the dominant rock type? a. both a and b b. sedimentary rock c. igneous rock d. metamorphic rock?

A mineral that contains silicon an oxygen is called?

Some 2.5 million people currently live in sahara, most of these in egypt, mauritania, morocco and algeria true or false

Compare the aquatic species mortality on the east and west coast

The political boundaries of North Africa and the Middle East can best be described as the product of which of the following processes? a. Devolutionb. Imperialismc. Self-determinationd. Democratisatione. Supranationalism

What happens when two oceanic plates collide? What negative impacts for human populations can result from this type of action?

A manufacturers producing 950 light bulb per day