plz solve pzl pzlzllzlzlzlzllzlzlzlzlzlzlzllzlzlzlzlzlzlzlzllslzlzl
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11: meters/sec^2. I mean meters per second squar
12:true
13:false
14: vocal cords
16: guitar
21:false
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11) meter per second ms-¹
12) True
13) False
14) Vocal Cords
15) Meter
16) d) None
17) Guitar
18) Infrasonic waves are pressure variations in the air at frequencies below what our ears can sense. That would be in the range of 20Hz and below.
19) Health is a state of complete physical, mental and social well-being of an individual. Health is often affected by diseases.
20) The diseases which spread due to infection by micro-organisms are called infectious diseases
21) True
22) Air is made up of nitrogen, oxygen, argon, carbon dioxide, neon, helium, krypton, hydrogen, and xenon.
23) Gravitational Force
24) In attachment
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