GEOG201 Exam 2

The Earth is tilted on its axis at an angle of

• 90 degrees

• 45 degrees

• 23.5 degrees

• 15.3 degrees

The Earth is tilted on its axis at an angle of

• 90 degrees

• 45 degrees

• 23.5 degrees

• 15.3 degrees

_____ energy heats our planet.

• Solar

• Wind

• Nuclear

• Geothermal

Which waves have the shortest wavelength?

• Ultraviolet

• Gamma

• Radio

• Infrared

Where is the subsolar point located during an equinox?

• The Equator

• The Tropic of Cancer

• The Tropic of Capricorn

• The Arctic Circle

_____ energy heats our planet.

• Solar

• Wind

• Nuclear

• Hydro

Which waves have the shortest wavelength?

• Ultraviolet

• Gamma

• Radio

• Infrared

Where is the subsolar point located during an equinox?

• The Equator

• The Tropic of Cancer

• The Tropic of Capricorn

• The Arctic Circle

Approx how long ago did life evolve on Earth?

• 4.6 billion years

• 3.5 billion years

• 2.1 billion years

• 540 million years

Which is furthest from the surface?

• Stratosphere

• Troposphere

• Thermosphere

• Mesosphere