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Mekhanik [1.2K]
3 years ago
6

Septic tanks rely on _______ to decontaminate the water.

Health
2 answers:
wlad13 [49]3 years ago
8 0

Answer: it would be B. Microorganisms

OLEGan [10]3 years ago
5 0
<span>Septic tanks rely on microorganisms to decontaminate the water. These are usually made of concrete and fiberglass with an in-out pipe system. These septic tanks are important in the septic system where sewage is treated naturally by holding its contents long enough for solids and liquids to separate. These things can only be found in areas that lack connection to main sewage pipes that the government had provided. They could be found built in suburbs, small towns, and rural areas and are not suitable for densely built cities. </span>
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{The equation to find maximum heart rate is to take your age and subtract it from 220.}

<u>BUT,</u> to find the regular heart beat at that second all you have to do is count how many beats you have in 15 seconds and multiply that number of beats by 4 to know your beats per minute.

Explanation:

I hope this helped you and makes sense!

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