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6 Cards in this Set

  • Front
  • Back

direct sunlight

sunlight that strikes Earth surface at close to a 90 angle.

Earths axis

an imaginary line through the center of Earth that connects the north pole to the south pole.



earths axis is tilted at an angle of 23.5 degree

Equator

an imaginary horazintal line around the middle of the earth.

northern hemisphere

the half of Earth north of the Equator .

north pole

the northernmost points on the Earth .

indirect sunlight

sunlight that strikes