The impact would be great it would possibly freeze the work or melt the polar ice caps and flood the world to were we would invent technology light years away.
As the Earth
spins, the Coriolis effect causes a slight change in these north-south
winds that influences their direction. Each hemisphere has
its own trade wind patterns that blow from its respective pole to the
equator and back. This means that the Coriolis effect causes the winds
in the northern hemisphere to shift to the right, while the wind
currents in the southern hemisphere shift towards the left.
This happens because the earth is rotating underneath the wind
current in a very fast counterclockwise direction, leading to this
perceived shift in the current. However, the wind currents themselves
are not actually shifting; it simply looks as if they are due to the
earth rotating below them.
So, if the Earth stops spinning, then there would be no wind.
A molecule called DNA (deoxyribonucleic acid) is passed from adult organisms to their offspring during reproduction. This molecule containsthe instructions for an organism to develop, grow, survive and reproduce.
When two waves with different frequency travelling in the same medium meet each other, they produce an interference pattern called beat.
<em><u>The frequency of the beat produced is equivalent to </u></em><em><u>the difference between the individual frequencies of the two waves involved.</u></em>
<em><u>Therefore; in this case since the frequency of the beat is 20 Hz, that is from 20 beats per second.</u></em>
We need to find a pair from the choices whose frequency difference is 20 Hz.
This happens to be choice D. 22 Hz and 42 Hz, that is 42 Hz - 22 Hz = 20 Hz