They convert chemical potential energy (stored in muscle cells) to kinetic energy (running)
Correct answer to this question is c. water evaporating
There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary. Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command.
Planets reflect sunlight. Most planets are close enough to the sun that they can reflect its light and that is why you can see them. Some planets that are far from the sun do not light up because they have no light to reflect.
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A.)Neutral. Since amount of protons and electron are equal and amount of protons cannot be changed so it is stable or neutral.
