Which of the following South American countries is mostly made up of populations of those from European descent?

Why do nations establish trade barriers?

What is the unlimited end of a high mass star that is greater than 2.8 times the mass of the sun

Which of the following list of U. S. states have panhandles? (all that apply) Alaska Colorado Florida Ohio Oklahoma Washington Wyoming

Cattle ranching and mining were instrumental in the nineteenth century in getting more people to settle

Climate is influenced by temperature and

A hot spot volcano forms A) at a convergent plate boundary B) at a divergent plate boundary C) at a transform plate boundary D) NOT at a plate boundary What would this be under

Low air pressure systems are usually associated with A. clear, dry weather B. cloudy, wet weather C. cold, dry weather D. hot, dry weather

1. What percent of the Earth's surface is covered by oceans? How did you calculate this percentage?

What are the spiral arms of the Milky Way made of? A. Older stars and comets B. Variable stars C. Asteroids and comets D. Younger stars and gaseous nebulae

Tension can cause the formation of fault-block mountains or