Answer:
A signal has a wavelength of 1 μm in air
Explanation:
looked it up
She would use enter period comma backspace
Hope this helps u
They use multiple techniques to help children.
Answer:
camera operators
directors of photography
Explanation:
Cinematography is simply the art of taking photos and being in charge of cameras in the process of film-making.
There are alternative names for a cinematographer and they include camera operators and directors of photography
