I don't understand this. EARTH SCIENCE PLs help.?

Question

I don't understand  this question let alone the answer. Is the sun at different positions every day?  How can one tell when it's at  south, north, at the equator, or Tropic of cancer or capricorn. 

Here is the question with multiple choice
At noon on February 21, the sun is overhead at:

a, at the tropic of cancer.
b, at some point between the tropic of capricorn and the equator, heading southward.
c, at some point between the tropic of cancer and the equator, heading northward.
d, at the equator.
e, at some point between the tropic of capricorn and the equator, heading northward.

morningfoxnorth · Accepted Answer

Yes, the sun is at different positions every day at noon (or any other time of day).  Go outside where you can see the sun, at stand in some spot.   Put a stick in the ground there, and notice where the tip of the shadow hits the ground.  About 2 weeks later, go to the same spot at the same time, and notice where the tip of the shadow is.  The sun has moved, so the tip of the shadow has moved also.  (It might be better to use a telephone pole or something permanent.)

If you lived at the equator, there would be two times every year when the sun would be exactly overhead, at about noon.  The days would be about March 21 and September 21.

If you lived on the topic of cancer, the sun would be exactly overhead on (about) June 21 at noon.  The rest of the year, it would be south of you.

Anonymous · Answer

Find out where Feb falls within these four positions and you will find your answer...

A) The March Equinox the sun is directly over the equator...
B) The June Solstice the sun is directly over the Tropic of cancer
C) The September Equinox the sun is directly over the equator
D) The December Solstice the sun is directly over the Tropic of Capricorn

So Feb falls between D and A....

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I don't understand this. EARTH SCIENCE PLs help.?

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