Answer:
V = f λ speed of wave in terms of frequency and wavelength
t = S / V time for wave to travel a distance S
t = 91.4 m / 344.5 m/s = .265 sec time to travel 91.4 m
<span>External respiration takes place in the </span>Bronchi to the capillaries. AND the internal respiration takes place from the capillaries to the cell tissues.
A, electrons are negatively charged and do orbit around the nucleons
Answer:
A
Explanation:
The answer is A because proton number is the same as atomic number
When there was know life on the earth
