I guess the answer is B !! as it has no relevance and is not an observation !!
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
It's safe to eat the fish there,” says Langley.So according to officials and experts, it is safe to eat that Mississippi River catfish.
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
