READ THE SEQUENCE OF EVENT AND ANSWER
RAJ SAW THAT THE DOG SITTING BY HIS SIDE HAD SUDDENLY BECOME ALERT. IN A SHORT WHILE ,RAJ HEARD FOOTSTEPS OF A MAN AND THE PERSON APPROACHED HIM. RAJ NOW UNDERSTOOD WHY THE DOG HAD SUDDENLY BECOME ALERT
1)WHAT IS THE DIFFERENCE BETWEEN THE AUDIBLE RANGE OF SOUND FOR RAJ AND THE DOG?
2) NAME SOME OTHER ANIMALS WHO CAN HEAR SOUND OF FREQUENCY NOT AUDIBLE TO HUMAN BEINGS?
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The maximum speed of vibrations which produce audible sound will be in ground glass.Bryophytes are an informal division that consists of 3 groups of non-vascular plants, namely mosses, liverworts, and hornworts. Prominent bryophytes characteristics are the absence of true roots stems and leaves. Furthermore, rhizoids perform the function of roots, essentially anchoring the plants into the surface.
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