The health effects of drinking contaminated water can range from no physical impact to severe illness or even death. Some of the effects of drinking contaminated water can be immediate, or not noticed for many years. These include gastrointestinal and stomach illnesses like: nausea.
Answer:energy
Explanation:all activities of life including physical and chemical require energy to proceed
I think it is control group
Answer:
Antony Van Leeuwenhoek
Explanation:
Discovering bacteria and creating more than 500 simple microscopes
The answer should be true