Yes it's true. Energy is the ability to do work; Work is done when force is applied unto an object; Force is a push or a pull.
The amount of energy that is used when playing sports depends on which sport and how long you are doing the activity.
kinetic energy
true
It's true that fat can be used as energy. The body typically uses carbohydrate for energy, but it can use fat and even protein if necessary.
True. The generator in that case is the sun.
Muscles are used for picking things up, breathing, seeing, and/or doing a physical activity, such as walking.
yes
Human energy can be harnessed through physical activity, such as exercise or manual labor, to generate power. This can be used to recharge batteries, power small devices, or even generate electricity for low-power applications. Additionally, human energy can be used to fuel creativity, productivity, and collaboration in the workplace.
transforming your fat into energy to be used for exercise/physical activity
It means "what you doing".. as in what are you doing.
True...
People are used to hearing the word "doing" used as a form of the present tense verb, "to do," but "doing" can also be used as a noun. The noun "doing" can refer to an activity a person is engaging in (example, "This project will take a lot of doing"). It can also refer to a deed executed by someone (example, "It had all the marks of her doing").