<h2><em>The Doppler effect is a change in the frequency of sound waves that occurs when the source of the sound waves is moving relative to a stationary listener. As the source of sound waves approaches a listener, the sound waves get closer together, increasing their frequency and the pitch of the sound.</em></h2><h2><em>HOP</em>E IT HELPS </h2><h2>THANK YOU </h2>
Answer:
12.31 m/s
Explanation:
If we recall from the previous knowledge we had about speed,
we will know that:
speed = distance/ time.
As such:
The average speed of the rider bicycle is
average speed = total distance/ total time
Mathematically, it can be computed as:
The bear is white in color because it is a polar bear.
<h3>What are the color of bears?</h3>
Bears are very large carnivorous animals found around the cold regions of the Arctic or North Pole.
The color of bears, may be brown, black or white depending on how far North the bears are found.
Bears found close to the Arctic or North pole are white polar bears.
Based on the description of the house, every side of the home faces South meaning that the individual lives in the North pole.
Therefore, the color of the bear will be white.
in conclusion, polar bears are white in color.
Learn more about polar bears at: brainly.com/question/21618662
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Answer:
the first one
Explanation: the first one because they were all on two different continents so when they seperated half of the species went on one continent and the other half went onto another one
