Answer:
a)by the process of fermentation
b) organism involved in it are yeast
You can further understand a text if you ask questions.
The correct answer is option A- HIV virus.
HIV virus is an example of enveloped virus, that has the ability to infect a host cell by attaching itself to it and fusing with the host cell. Once infected, the virus leaves the host cell and moves to another cells to infect them. The HIV virus contains glycoprotein spikes to attach to the host cell.
thats dirty bruh but you could filter all the dirty stuff out and reuse the water
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