B. Marco Polo, I just got this answer right on my test
Answer: Water on earth is not distributed evenly; and the amount of SAFE DRINKING WATER is not accessible evenly.
Further, a large portion of the earth's water is ocean water (about 70% of the Earth itself is ocean water, which is not readily available for human consumption (or for consumption of other animals —or plants, for that matter; and not all people live near the ocean (from which seawater can be "converted" into potable water) or near places where potable water can be obtained.
A stream discharge means the <u>quantity</u> of water flowing past a specific channel location per unit time.
<h3>What is a
stream discharge?</h3>
Basically, it refers to the volume of water that is passing a given point over a set time.
It also refers to the volume of water moving down a stream or river per unit of time which is commonly expressed in cubic feet per second or gallons per day.
In physics, the stream discharge is measured by using "discharge = area x velocity". Another method used for measuring the stream velocity is with a current meter. However, a variety of advanced equipment can also be used to sense stage and measure streamflow.
Therefore, the stream discharge means the quantity of water flowing past a specific channel location per unit time.
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The answer is A to this question primary
- Technology (best bet)
- Trade / cargo
- Easy travel
- Security
