1. mother to fetus 2. through exposure to the antigen (virus, toxins, or cancer cells).
Answer:
The changing variables are: v and KE
Explanation:
Given

Required: What changes?
From the formula above:



m: The mass of the skater is constant.
v: Moving up and down the track may change the velocity of the skater.
KE: When velocity changes, the kinetic energy also changes
So:
The changing variables are: v and KE
Epiglottis is the flap of cartilage that covers the opening of the larynx
The Clerestory is the upward extension of the central hall that served to admit light.
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