Sc Ch. 9

Most of the energy on Earth's surface comes from what?

• visible light
• electromagnetic radiation
• infrared radiation
• ultraviolet radiation

Most is blocked by the ozone but some makes it to the surface.

• visible light
• electromagnetic radiation
• infrared radiation
• ultraviolet radiation

Why we're able to see.

• visible light
• electromagnetic radiation
• infrared radiation
• ultraviolet radiation

Heat of the sun traveling to Earth.

• visible light
• electromagnetic radiation
• infrared radiation
• ultraviolet radiation

Electromagnetic waves are either _______________ or ____________.

True/False: Too much or too little of this radiation energy would make life on Earth impossible.

• True
• False

In Earth's upper atmosphere, energy is _________________.

• absorbed
• reflected

In the troposphere, some energy is ______________ and some energy is _________________.

• absorbed
• reflected

True/False: Life on Earth has not adapted to live within a range of temperatures stabilized by the atmosphere.

• True
• False

Increasing the amount of greenhouse gasses in the atmosphere ______________ the amount of heat that's absorbed and can influence a change in climate that is less comfortable for many of Earth's species.

• increases
• decreases
• remains the same