The answer is: B - Mitochondria
Explanation:
The mitochondria is the powerhouse of the cell.
The main function of the mitochondria is to provide energy for cellular activity by the process of aerobic respiration. In this process, glucose is broken down in the cell's cytoplasm to form pyruvic acid, which is transported into the mitochondrion.
The answer is nucleus (structure A)
because nucleus DNA would be destroyed
In the SI system of units, the standard unit of acceleration is 1 metre per second squared<span> (abbreviated as m/s2). Other units include the gal (sometimes known as a galileo, in either case with symbol Gal), which equals 1 centimetre per second squared, and the g (gn), equal to 9.80665 m/s2.</span>
Needles.
Sharing needles or things that you can eject through your skin (ex. drugs)
Infected tattoo needle that wasn't cleaned and disinfected properly