In cellular respiration, where do the high-energy electrons that move through the electron transport chain originate? A.
water
B.
NADH and FADH2
C.
NAD+ and FAD
D.
glucose
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Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

Moving down the ramp from 6 meters to

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil