What minerals/materials are in scoria?

Climate zones and biomes depend on many climate features. If changes, which of these features changes

Which two cities mark the entrance and exit to the Panama Canal? a. Colón and Panama City c. Colón and Havana b. Havana and Panama City d. Havana and San Juan

How did the colonial period in Rwanda affect relations between the Hutus and the Tutsis?

Which statement is true? A desert can form anywhere if rainfall decreases. A desert forms when rainfall decreases in a dry climate. Decreased rainfall is a result of a desert, not a cause of one. Rainfall is unrelated to the formation of a desert.

Why was the building of the three gorges dam proposed in 1919 and by whom?

How do geologists determine where glaciers may have been in the past? What tools are required? What pieces of evidence are crucial to determine something like the existence of snowball earth?

How does the demographic transition model trace the population history of a country?

What is common to all fossil fuels? all fossil fuels contain energy stored as solar energy. all fossil fuels are found only near a water source. all fossil fuels are formed deep underground. all fossil fuels have to be in the solid form.

Why are most quartz crystals not colorless (clear) ?

Why is the Gulf Coast important to Mexico's economy? It is a center for industry. It is the heart of the nation. Many crops are grown here. Petroleum is found here.