Answer:
Fourth option
Explanation:
They're many different types of energy, from chemical and mechanical to heat and solar energy. But the two most basic types of energy are "kinetic and potential energy" or the fourth option. Kinetic energy is the energy an object has when it is in motion, while potential energy is the energy an object has when it's as rest. These two specific types of energies are the most basic and you can even convert them into many different types of energies, like heat or electrical energy.
Hope this helps.
<span>i think the answer is : Bend the arm at the elbow with the back straight </span>
The air pushes the engine with an equal force in the opposite direction.
Whenever force is used there is an opposite yet equal affect.
