They are all elevated land forms.
GROUNDWATER is the largest source of freshwater on earth.
Answer:
918, at the end of World War I.
Explanation:
Since this is a square you can set 3x+20=5x then you can solve for x.
Subtract 3x from both sides:
3x-3x+20=5x-3x
20=2x
Divide both sides by 2
20/2=2x/2
10=x
Hope this helps.
