15. Which of the following pair
of terms in a pair of unlike
terms:-*
O -p?q?, 12p?q?
O 41x, 100%
O qp2, 13pq
0 -4yx2, -4xy
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Answer:
The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere.
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