Medical Mask
Better: N95
Hope this helped.
Both presbycusis and tinnitus deal with hearing. Presbycusis is a loss of hearing, which usually occurs as an individual gets older. Tinnitus is a symptom of presbycusis in which an individual may hear ringing, roaring or hissing sounds in one or both ears.
Answer:
it is letter d
Explanation:
because if you do you research you will find out
Take 220 - your age then times it by (65% to 85%) depending on ur time of duration of the activity .I hope this he;ps u
