Thermal pollution is caused by excess a. radioactivity b. heat c. sewage d. inorganic materials

B. Heat

Thermal pollution is the change in temperature of water (increase) and the decrease in it's quality. The change in water temperature can cause huge damage to the environment since it'll have to adapt to new temperatures.

Hope it helped,

BioTeacher101

(If you have any questions, feel free to ask them in the comments)

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