<span>The mesosphere. </span><span>It is the coldest part of our atmosphere, the temperature can reach upto -90 degree Celsius. Hope this helped! :)
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Answer:
It's constant everywhere in its trajectory.
Explanation:
the projectile was launched with an initial velocity, the only acceleration that is affecting the projectile's velocity is gravity.
The acceleration of gravity is practically equal everywhere on earth, so during its trajectory, we have to take into consideration only the acceleration because of gravity.
This is only correct because the projectile was launched with an initial velocity and it's not accelerating from rest and then falls.
C I’m not that sure though
B. Extra text to get to 20 characters.
Answer:
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