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Humans use muscular energy, sound energy and many other
Chemical energy, from the food we eat.
glycogen
There are many sources that humans can get their energy from. Humans typically get their energy from different food sources.
they are calledenergy resources
fiber does not supply energy to humans , as it is not digested by humans ,the reason being that humans do not have enzymes that can digest fiber .
Fiber is made of glucose molecules arranged into a starch(cellulose), so they are not a quick source of energy. Humans have difficulty digesting fiber.
Cellulose
Humans use food for energy.
Humans use muscular energy, sound energy and many other
Cellulose
Natural resources that humans use to generate energy are called energy resources.
Humans use the chemical energy from food as fuel for the muscles that make us move.
depends on the fiber.... what kind of fiber dear?
Humans need food to use for energy, without energy we die basically.
In making synthetic fiber
they can use for getting positive energy and releasing negative energy.