Heat pollution is harmful to marine habitats because it
a.
changes the temperature of water
b.
contaminates water with mercury
c.
raises acid levels in water
d.
causes increased runoff into water

Heat pollution is harmful to marine habitats because it changes the temperature of water. Option A is correct.

Alterations to normal water temperature regimes result in uncountable biological effects, such as interfering with temperature cues for spawning fishes, making easy the establishment of exotic species, and altering growth and development of aquatic organisms. As a result of changes in the temperature,  small changes can be biologically significant.

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.