How many miles per hour should a person perform when power walking

If you know answer will mark brainliest

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp

Explain why hiv is a life-threatening sti.