Where does water that flows in a stream usually come from?

A. groundwater reserves

B. a larger river or stream

C. an ocean or sea upstream

D. precipitation and snowmelt

What is cement to a geologist? a. the material used to make buildings and sidewalks b. a natural form of glass c. a collection of interlocking grains d. the mineral materials that bond grains together

Does Russia have enormous petroleum reserves

Mexicans of mixed Spanish and indigenous heritage are Mayan. mestizos. maquiladoras. conquistadors.

Economists suggest that the Egyptian government

These problems are likely caused by urbanization. air pollution declining birth rate forest overgrowth housing shortages overcrowding volcanic eruptions water pollution water shortages

The boundary where two plates meet and trenches are formed is called

Does the Earth system essentially contains a fixed amount of chemical elements that cycle continuously throughout the system.

Identify difference traditional Protestantism and Eastern Orthodoxy

Which statement best demonstrates the concept of a cultural hearth? A. The Middle East, where many cultures share the religion of Islam B. Latin America, which consists of several distinct but related cultures C.

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