**WILL GIVE BRAINLIEST** I need help finding out initial and final energy for these trials

*Note: Help for the work done column and first two analysis questions is not necessary but is appreciated

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object