<span>These are:
1. <u>Number of microbes</u>: if there is a lot of microbes, then more time is needed to kill all of them.
2. <u>Characteristics of microbes</u>: some microbes have resistance genes, so they will not react to agents they are resistant to; some microbes have protective structures so treatment will be inhibited.
3. <u>Time of exposure</u>: different agents will need different time to kill microbes.
4. <u>Environment</u>: the effect of temperature, pH, organics both on microbes and agents.</span>
Yes it is a requirement for liquids to do that
Social convoy
Social convoy refers to a group
of people who accompanies an individual on the journey of life. A social convoy
provides personal, familial, cultural, and even professional supports for an
individual. Family members usually comprise a part of social convoy and its
makeup changes over time.