A sailboat has to travel 478 meters south and it has 189 seconds to cover these meters. What must the velocity of the boat be?
Velocity equation-d/t=v

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Does masterbation affect height growth or loss of growth hormone?

Cells destroy body cells infected by a virus or bacteria.