1. The answer is hydrological cycle or water cycle2. The answer is sewage. Often, waste often goes down from the industrial site.3. the answer for this one is an industry. In most cases, many companies would often let their industrial waste flow freely to rivers 4.The answer is agriculture. Agriculture can cause water pollution due to usage of chemical fertilizers5.The answer is Eutrophication6.The answer is putrefecation7.The answer is pesticide8.The answer for this one is petroleum. Petroleum and oil spills are often the cause of contamination that not just pollutes oceans and rivers.9.The answer for this one is lead.
All of the above but I think the answer you’re looking for is tumor
Answer:
A. Cooked bacon
Explanation:
you wont be cooking it again, so you put these above the others so it doesn't get contaminated by the other raw meat