as you take a short canoe trip on the Brazos River you paddle your canoe 200 miles up the river in 420 seconds and then turn around and paddle 350 miles down the river in 280 seconds what was your average speed during your canoe trip in miles per second

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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