<span><u>Answer </u>
A). Absorption
<u>Explanation
</u>
Sound travels inform of waves. Waves have certain properties. They can be reflected, diffracted refracted, they can also be absorbed. Some materials such as cotton and other soft materials absorbs wave sounds. When this waves are absorbs sound cannot be heard.
For this reason, houses with carpet are much quieter because carpet absorbs sound wave better than hardwood, and tiles.
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No answer is possible until we know the number that belongs after the words "... angular speed of ".
When the earth is closest to the sun it is said to be in perihelion position.
Velocity units =m/s
Acceleration is the rate of change of velocity
a =timechange in velocity
Therefore SI units of acceleration is ms−1/s=s2m
Answer:
a conductor is an object or type of material that allows the flow of charge (electrical current) in one or more directions.
Explanation:
. Materials made of metal are common electrical conductors.
