Botany - Environmental Issues Question with Solution | TestHub
BotanyEnvironmental IssuesPollutionEasy2 minPYQ_2020
BotanyEasysingle choice
Damage to hearing is caused by sounds which exceed
Options:
Answer:
D
Solution:
Noise has been well defined as unwanted sound which is being dumped into the atmosphere to disturb the unwilling ear. Sound intensity of 100 dB becomes uncomfortable and 130 dB painful.
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Environmental IssuesSubtopic:Pollution
⏱ 2mℹ️ Source: PYQ_2020
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