Answer:
Preventive maintenance is where measure are taken beforehand so that the chances of breakdown are minimised resulting in increased efficiency of machines. It is the maintenance that is regularly performed on any equipment to lessen the likelihood of it failing.
Explanation:
Answer from Gauth math
A group of cells that work together to perform a common function
Answer:
Orbital
Explanation:
I believe, to the best of my knowledge, that the answer that you're looking for here is the Orbital. Hopefully this helps.
Answer: Yes, they would either need a blood relative to take DNA samples from or something the deceased had before their death such as a baby tooth or hair.