All of the following best explain why the Sun is not the only source of energy except? 1.Energy can be converted into different forms.
2.There are different sources of energy such as biological and mechanical energy.
3.There are different forms of energy other than light energy.
4.Energy can be created and destroyed.

4. Energy can be created and destroyed

Explanation:

Reason being it tells you a part of the definition of energy while all the other answers tell you why the sun is not the only source of energy.

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.

answer: the answer is a