The answer is D. Chemical energy is the that is stored and energy is stored in the girls muscles. Mechanical energy is energy in motion and the box is moving off the floor
Answer: option d
Explanation:they are also normally called noradrenaline.
They do help by constant regulating of the blood pressure and to increase the sugar (glucose) level content in the blood. It help majorly to lift up (increase) the rate as well as the force of the contraction of the heart and also in do lead to an increase in muscle contraction due to the fact that they are push out(realeased) from the sympathetic nerve fibre ends.
Explanation:
relating to human society at a very early stage of development, with people living in a simple way without machines or a writing system: ... Early settlers had to cope with very primitive living conditions.
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