How many colors are there really in the rainbow?

The weather condition in which a form of weather (rain, snow, etc.) falls from the atmoshere

What could explain the existence of coal deposits in antarctica?

Which of the following statements describes a similarity between the earthquake in Haiti and that in Chile? A. Both locations received international aid to establish order and to rebuild. B. Both earthquakes measured 9.1 on the Richter Scale. C.

What was a positive effect of immigration to the United States? A. Immigrants to the United States consumed resources faster than resources could be renewed. B. Some of the great contributors to advancement in the United States were immigrants. C.

Chinese immigrants were used by the railroad for dangerous work. True False

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.