Answer:
c
Explanation:
wavelength shorter means energy is higher
the wavelength
radio waves>microwave>infrared rays>gamma rays
Answer:
An electric generator is a device that converts a form of energy into electricity.
Explanation:
This makes frequency lower as well as the pitch we hear.
Answer:
Answer C
Explanation:
The closer two masses are, the greater the gravity force between them.
This is shown in the formula
Fg = GMm/R²
Smaller distance R means greater force Fg
