Which of the following actions has had the greatest effect on the shrinking of the aral sea?
a.
less snow has fallen in the mountains around the aral sea, causing rivers to dry up.
b.
the deserts around the sea have grown hotter, causing the sea to shrink.
c.
irrigation has taken water away from the rivers that feed the sea.
d.
major cities on the sea’s coast have taken water to feed their populations.