Astream has an elevation of 1,000 meters. it ends in a lake that has an elevation of 300 meters. if the lake is 200 kilometers away from the source, what is the average gradient of the stream?
gradient = change in value / change in distance

Which of the following best summarizes the point of agreement?

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.