"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
Definitely the flood. If a wire snaps or something, and comes into contact with the water, it can electrocute anyone who comes in contact with the surrounding water.
Answer:
sorry I can't see it clearly cause I have an eye problem sorry but thx for the points
Correct answer: physical disorders sometimes lead to sadness, physical disorders sometimes limit peoples ability to work