Answer:khakhi pants
Explanation:
What is an opportunity cost?
Opportunity cost refer to choosing the next best thing when given your two alternatives that you both like the same.
Kyla hate black jeans which means she is less likely to choose them so if she has to choose something else other that the blue jeans , Kyla is likely to choose khakhi pants .
So opportunity cost is actual choosing another alternative and leaving the other when given that opportunity to choose amongst your favourites .
The letter was mailed by Sally.<span>
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<h3>Active voice:</h3>
People believe that Pluto is no more a planet.
<h3>Passive voice:</h3>
It is believed by people that Pluto is no more a planet.

Answer:
The letter R is silent in POWER
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