What is the overall charge if something contains 36 protons, 34 neutrons and 33 electrons?

Ineed to find the answer of this question because i dont understand it

Why is the bottom layer of a trophic pyrimid the

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.