Roughly around 3.20 billion gallons a day
1-choose any two points on the line.
2-draw a right-angled triangle with the line as hypotenuse.
3-use the scale on each axis to find the triangle's: vertical length.horizontal length.
4-work out the vertical length ÷ horizontal length.
5-the result is the gradient of the line.
It is called perfect freedom that this right of freedom is equal for all.
Other Branches of Earth Science[edit]Geology<span>, </span>oceanography<span>, and </span>meteorology represent a large part of Earth science, while astronomy<span> represents science beyond Earth.</span>