railway RRB JE (CBT I + CBT II) Mock Test 2024 People Development & Environment Environmental Issues Pollution

Noise pollution is considered to be caused by sounds louder than

1
100 dB
2
50 dB
3
120 dB
4
150 dB
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters