Which is least likely to be a point source pollutant? a)industrial waste
b) exhaust from factories
c) litter on the beach
d) sewage treatment plants

Sewage treatment plants

1.the evidene of the reaction

2.yes

3.yes

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.