Exam 1: Earth and Its Atmosphere

Which of the following instruments are used routinely to measure wind and temperature throughout the troposphere and stratosphere?

Describe the relationship between gravity and weight.

The atmosphere of which of the following planets is composed primarily of carbon dioxide?

Explain briefly why it is possible to transmit AM radio waves over larger distances at night than during the day.

Explain how sunlight contributes to the formation of photochemical smog.

Which of the following gases is responsible for the greenhouse effect on Venus?

Which of the following is the most abundant gas emitted from volcanoes?

Which of the following terms refers to the outpouring of gases from the Earth's hot interior?

How many molecules are contained in a single breath of air?

There is current concern that the amount of ozone in the stratosphere may be decreasing. Why is a decrease in ozone concentration significant? Describe some of the effects that a decrease in ozone concentration might have.

Which of the following describes the normal condition of air temperature in the stratosphere?

Which of the following atmospheric layers is the one in which we live?

Which of the following processes removes CO₂ from the atmosphere?

Which of the following descriptions correctly applies to Jupiter's "Great Red Spot"?

Which of the following statements accurately compares how air density and air pressure decrease as atmospheric altitude increases?

Which of the following combinations of gases describes the primary composition of the Earth's first atmosphere?

In which of the following atmospheric layers does most of the Earth's weather occur?

What are the principal gaseous components of the Earth's atmosphere? Where do scientists believe these gases came from?

Which of the following planets does not have an atmosphere?

Which of the following components of the earth's atmosphere is considered a variable gas?