14.
The q in the Formula C =g/
mAT, Stands for*
Mark only one oval.

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.