Answer:
Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). ... Independent of the motion of sound through the medium, if the medium is moving, the sound is further transported.
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Answer:
Coronary Sinus
Explanation:
A coronary sinus is a group of small veins that collectively from the sinus which is nothing but a large sized vessel. This sinus is located along the rear side of heart between the left ventricle and left atrium.
This sinus collects cardiac venous blood which comes from the mycocardium and the thick muscle layer with in the heart and facilitates its movement to the right atrium.
Answer:
B, all the other answers are just details that would be in an article, but not the main idea.
Explanation:
Answer:
(a) Slower the sound travel
Explanation:
The speed of sound also depends on the material it is traveling on. The denser the liquid, the slower the sound can travel and the less denser the liquid, the faster the sound can travel. This is because <u><em>denser materials have larger molecules than less denser materials. </em></u>Sound waves travel through "vibration." It takes more energy to vibrate in denser objects than in less denser ones; thus this explains the<u> slow travel rate of sound in a denser medium of liquid.</u>
