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

East asia is considered a less developed nation. true or false

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

Which arrow is closest to laguna madra bay? a. 1 b. 2 c. 3 d. 4