Answer:
1780s to 1830s
Step-by-step explanation:
Pollution is not a new phenomenon. In fact, pollution has been a problem since the appearance of our earliest ancestors (Markham, 1994). Increasing human populations have opened the door to more bacteria and disease. During the Middle Ages, diseases such as cholera and typhoid fever broke out all across Europe.
Answer:
11,000 years ago.
Step-by-step explanation:
I pulled it from my notes!!!
