Why is the geologic time scale important?

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

catya that's not even a b or c

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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