11. What effect does the exhaust from mining in the Canadian Shield have on the
environment?

Here is your ans

Explanation:

Mines often contaminate the soil disrupt the local ecosystem . they have been linked to increases in human sickness and death of animals

Tq

mines often contaminated soil, contaminated water and disrupt the local ecosystem.they have been linked to increase s in human sickness and death of animals

Explanation:

answerthis is an example of internal need recognition;