Before,
Humans or we should not be drinking bad water. It can cause many different diseases and those can cause death.
To make the reader think for themselves and in a way pull out and opinion of what they think
Answer: Here you go
Explanation: model = a three-dimensional representation of a person or thing or of a proposed structure, typically on a smaller scale than the original.
occasionally = at infrequent or irregular intervals; now and then
anxious = experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.
The answer is the first option.