What types of pollution in the great lakes has human activity caused check all that apply

Mercury Pollution

Explanation: It is one of the leading causes of fishing consumption advisories in the Great Lakes, and coal-fired power plants are the largest human - caused source of Mercury

c

explanation:

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.