Topic 2: Measuring Earth:
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What is the true shape of the Earth called?
an oblate spheroid
How does Earth’s circumference from Pole to Pole compared to it measured around the equator different?
Earth is wider across the equator than from Pole to Pole.
Name a good example of Earth’s shape:
a ping pong ball
What gases are found in the troposphere?
Nitrogen- 78%, Oxygen- 21%, Other- 1%
What is the temperature at the tropopause?
-55 degrees Celsius
How many minutes are there in one degree of latitude?
60 minutes
The contour lines where the gradient is gentle are:
far apart
The contour lines which the direction a river is flowing are:
bending
The contour lines where a cliff is are:
overlapping
The contour lines where a depression, like a crater is are:
hatchered