Bacteria can replicate themselves.
The expression or comment "Brain Freeze" means that the roof of your mouth is getting so cold that its affecting some of the nerves in your brain making it feel like a brain freeze.
V= velocity
λ= wavelength
f= frequency
v= λf
v= 25 x f
You'll need the wave frequency to complete this equation
Biosphere: All living things
Lithosphere: The crust and outer mantle of Earth
Atmosphere: The air and gasses that surround Earth
Hydrosphere: All water on Earth
