The answer is d. experiment
Since carbon has 4 valence electrons, a total of 4 bonds will be drawn withing methane, one between each H and the center C
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Answer:
Retina is the part of eye which is used to see things in high details
Answer:1384 Hz
Explanation:
Given
wavelength
=0.25 m
Temperature T
at
velocity of sound is 346 m/s
and we know



f=1384 Hz
option c...have the waves move thru the vacuum or space