Which owhich of the following gases is not found in earth s atmosphere?

a. oxygen

c. hydrogen

b. nitrogen

d. all of the above are in the atmosphere f the following is not a major gas of earth's atmosphere?

3 main waterways of washington

In which type of dry climate do you think the fewest people live, and why?

Why is there not a significant rain shadow effect east of the Rocky Mountains?

Which of the following best describes the movement of heat energy in the global ocean? a. heat energy in deep currents is transported to ocean's surface b. heat energy is transported from areas of lower temperature to areas of high temperature c.

What causes an aurora? OA An aurora is the consequence of solar wind entering the Earth and cutting through the Earth's magnetosphere. OB. An aurora is the consequence of combustion of gases taking place at the poles of the Earth. Ос.

What are the stages of the life cycle of the Sun? A. Red giant → main sequence star → white dwarf B. Main sequence star → red giant → white dwarf C. Main sequence star → white dwarf → red giant D. White dwarf → main sequence star → red giant

Which of the following terms best characterizes the government of Somalia? A. a parliamentary democracy B. a presidential democracy C. an anarchy D. a monarchy

Fault-block mountains are formed when a shift takes place along a fault line and a. one side drops into the ocean b. one side is elevated c. one side drops into a fault d. both sides are elevated

Describe how the idea of archaeological context affects how an archaeological site is excavated. What must archaeologists do in order to preserve context?

If sea level rises above a coral reef, what may happen to the reef? << read less