PERIODpollation. Notne pollution maacde to muo Atempis should be epollutiono Plantation on the roadsideandisesChoose the correct answerSound can travel through(a) gases only(b) solids only(d) solids, liquids and gases.(c) liquids onlyVoice of which of the following is likely to have minimum freca) Baby girlc) A man(b) Baby boy(d) A woman

PERIODpollation. Notne pollution maacde to muo Atempis should be epoll

1.	PERIODpollation. Notne pollution maacde to muo Atempis should be epollutiono Plantation on the roadsideandisesChoose the correct answerSound can travel through(a) gases only(b) solids only(d) solids, liquids and gases.(c) liquids onlyVoice of which of the following is likely to have minimum freca) Baby girlc) A man(b) Baby boy(d) A woman
Answer» <p>1. Sound waves usually travel through air or water, but they can also travel through solids too, like walls or furniture. Sound waves use the matter to move the vibrations. so the answer is d. solids, liquids and gases(iv) A man</p><p>When compared to the voices of a baby boy, a women, a baby girl, the voice of a man has lower pitch. As the pitch of a man is low which is proportional to the frequency of a sound, the man’s voice is of minimum frequency as compared with others.</p>