Exam 2: Solar Energy, Seasons, and the Atmosphere

The amount of energy received above the South Pole during the southern hemisphere's summer solstice is ________ than that received above the North Pole during the northern hemisphere's summer solstice because ________.

The heterosphere has a layered structure, whereas the homosphere occurs as an even mixture of gases.

Which of the following is true of chlorofluorocarbons?

The Sun produces which of the following?

Which of the following is false regarding stars?

Normal rainfall has a neutral pH.

Earth is at perihelion in early January when it is closest to the Sun.

The first major statement proposing the interaction of CFCs and stratospheric ozone was made in the 1970s.

Which of the following is true of chlorofluorocarbons?

Increased levels of ultraviolet light at Earth's surface

The equinox

Which of the following sequences is arranged in order from shorter wavelength to longer wavelength?

About half of Earth's crust consists of compounds containing

On Earth, the Sun passes directly overhead at 25 degrees north latitude ________ times a year.

At sea level, the pressure of the atmosphere is about ________ kg per square centimeter, or ________ pounds per square inch.

The three stable (i.e., nonvariable) gases in the atmosphere, in order of abundance from most to least, are

When the Sun is active, the thermosphere increases in size.

Which of the following statements is false?

Of the people who die in the United States each year, roughly ________ percent were killed by air pollution.

The correct order for wavelengths of electromagnetic radiation, from shortest to longest is: gamma rays, X-rays, infrared, radio waves, visible light, and ultraviolet.