The symbol "E3" represents the energy of electrons in the third energy level.
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frequency of the ultrasound given as

speed of the wave is

Now the wavelength is given as



now we know that distance between two consecutive antinodes is always half of wavelength
so we have
d = 0.75 mm
Answer = 1000N
F = ma
M = 500kg
a= 2 m/s/s
Solve for F
Answer:
A) An organism with favorable genetic variation will tend to survive and breed successfully.
Explanation:
In an ecosystem, organisms that don't have the best genetic variation will die off, leaving the more genetic favored ones to survive and become better as a whole.
Answer:100 meters per min
Explanation: