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Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.
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Answer:
The three things to remember about gravitational forces in space are: (1) The gravitational forces are inversely proportional to the square of the distance between the objects. More is the distance between the object, less will be the gravitational force between them.
Explanation:
Its on google
Doesn't sound reliable e<span>ven with tofu an lentels still not complete.You should go to a protein store and get protein supplements.</span>
<span>A British clergyman and economist named THOMAS MALTHUS predicted that populations would grow at a very rapid rate (exponential rate and that the production of food and other vital resources would increase at a much slower rate. as a result, human populations would be subjected to a variety of checks on population growth such as warfare, famine, and disease.</span>
