An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma?

A: silica

B: carbon

C: iron

D: basalt

An evolutionary argument for why women today need assistance in giving birth may be that the large brains of Homo sapiens infants necessitate a different pattern of childbirth events than seen in earlier hominids and primates.

Which statement describes the most likely effect for a country with a large population and a small amount of arable land? A. It produces more food than can be used. B. It struggles to produce enough food to support its population. C.

Which of the following is commonly expected near a "textbook" subduction zone (that is, near a subduction zonethat is so perfect and free of confusing complications that you would use it in a textbook to teach students) ?

What would be the best definition of the Columbian Exchange? 1. The dumping of exchange products into the Atlantic Ocean to keep prices high. 2. Ocean currents carrying plant seeds to new parts of the world. 3.

When the oceanic crust runs into the continental crust, what happens?

A. Tundra B. Rain Forest C. Savannah D. Desert 1. Many Trees 2. Fewest Plants 3. No Trees, Grasses 4. Grasses and Trees Match Them Up

Which totally revolutionized industry by increasing efficiency?

Analyze the map below and answer the question that follows. Based on the map above, which of the following continents are the most developed? Note, the darker the shade of green, the more developed the region is. A. Africa and Australia B.

Give any two major agricultural products that are exported in majority and that are part of south africa's stable diet

Some of the results of Soviet control on Eastern Europe included