A quiet eruption may produce this type of slow moving, cooler lava that hardens to form rough chunks. This type of lava is called what?

Where is the highest waterfall in the world

Which country has the largest GDP in South America

How do landforms link the geography of Canada and the United States?

Productivity of an ecosystem is best determined by the A. total amount of biomass in the system B. number of individuals of each species C. number of species present in the ecosystem D. total photosynthesis each year

Through which mountain range did the aryans pass to get to the indian subcontinent?

What do stream terraces represent? Put another way, what were stream terraces before they became a terrace?

The American Revolution inspired the French Revolution. True False

Identify and explain three past or current consequences of the Partitioning of India in 1947.

Why is the black earth region in Russia called Black Earth?

The US counties that border Mexico have an unusually high percentage of people in which age group? A. 0-17 B. 18-39 C. 40-59 D. 60-79