it does not save energy at all
If you save energy you can't have a shortage because if a shortage is about to happen the energy that you save will take over the energy that is running out.
A pulley does not save energy; it merely changes the direction of the force.
You don't 'save' energy by using these methods, you save non renewable resources, such as coal, oil and gas.
Turning off the lights when not needed can help save electricity. Consequently, this can help save energy.
bipedalism bipedalism
walking on two legs
Bipedalism
childbirth is the main disadvantage of bipedalism. human children are born much earlier than children of other primates, and childbirth is much more difficult and risky because of the skeletal structure required of bipedalism.
Hominid.
They manure by there hands and feet.
Who wrote the poem ''Save Energy
it does not save energy at all
led lites save energy because they have less energy.
Be an energy champion
language, bipedalism, use of tools.
I have no idea.....stuff happens and then you save energy