Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
I think it might be the first one: hiv infections. (hope this helps!)
Answer:
it shocks the hearts muscles jolting the heart into working again.
Explanation:
Hydrophobic<span> is da answer.</span>
