4. 51. Air moving from the poles toward the
equator turns west. the primary cause of
this global deïŹection is...
ïź A. The shape and size of land masses.
ïź B. Larger cities surrounded by farmlands
ïź C. Changes in the magnetic ïŹeld.
ïź D. The rotation of the planet.
6. 52. When a layer of cool air at the surface
of earth is found under a layer of warmer
air above it, the result is known as...
ïź A. The Coriolis effect.
ïź B. The greenhouse effect.
ïź C. A temperature inversion.
ïź D. An upwelling.
12. 59. Snow on the ground prevents polar
climates from gaining heat by what
mechanism?
ïź A. Heating by greenhouse gases.
ïź B. Heat spread from the equator.
ïź C. Cloud formation decreases.
ïź D. Stormy weather patterns develop.