Answer: Sarah lives closer to the sun and to tilted axis makes the shadow seem shorter. Also Paul is facing farther away from the sun and the tilted axis makes the shadow very long
Explanation:
In Canada winter season is started whereas in Australia summer season is started which is responsible for change in shadow's length.
Both students can be observing this at the same time because o difference in location on the earth surface. The rotation of the earth is responsible for the change occurs in the shadows throughout the day. The rotation of the Earth causes day and night. That portion of the earth which is in front of the sun experience day whereas that part which is at the back of the sun experience night.
The tilting of earth is responsible for the formation of seasons. In winter season, the shadows of objects are longer while on the other hand, the shadows of object in summer season is shorter due to tilting of the earth so we can conclude that in Canada winter season is started whereas in Australia summer season is started.
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