What are the two main gases found in earth's atmosphere?

a. nitrogen and argon

b. argon and methane

c. carbon dioxide and oxygen

d. oxygen and nitrogen

A flood plain has the potential to flood. Why is this a problem? A. flood damage is extremely costly due to homes and businesses being built on the flood plain B. floods are unnatural events caused by human activity C.

The Arctic and Antarctic respond differently to global climate change. A significant amount of ice has been melting each year in the Arctic; meanwhile the Antarctic has:

Write a paragraph supporting this statement: Mexican culture would have been different today if the Spanish had not conquered the region in the 1500s.

The longest river in the world

What are some of the impacts of humans on the earth?

What percentage of the Spanish-speaking population of the world identifies as evangelicals or believers in Jesus Christ? 2% 13% 75% 50%

Which occurs when air is compressed? Air molecules move slower. Air temperature rises and air molecules move faster. Air temperature decreases. Air temperature decreases and air molecules move faster.

What are the causes of environmental problems in Sub-Saharan Africa? Select all that apply. Decreased Population Organic Farming Development Deforestation

From what form of radiation does the ozone layer protect us?

Why did the Egyptians choose to stay in Egypt? Was it because of the Nile river?