Who is considered to be deaf

Frequencies at 500Hz, 1000Hz, and 2000Hz is 90dB

Explanation:

If the average of the frequencies at 500Hz, 1000Hz, and 2000Hz is 90dB or higher, the person is considered deaf. A person who is hard of hearing can have a range of hearing loss from mild to severe. It should be noted that amplification technology is available for people with mild to profound hearing loss

Frequencies at 500Hz, 1000Hz, and 2000Hz is 90dB are considered  to be deaf.

activation of phospholipase c (plc) indirectly increases intracellular ions through inositol triphosphate (ip3).

answer:

i believe the answer is d).

explanation:

i think this is because you are tearing apart the muscle, and then when you eat, the muscle re-heals, making itself even stronger.

edit: i put b) before but i meant to put d). sorry for the incorrect answer.