Question

Please solve all this

1. Muscular constractions that move food take place in _____________.
2. Percentage of nitrogen oxygen and CO2 gases in the air is approximately _______.
3._______ is the energy in the body due to its height.
4.The fact that energy can neither be _______ nor ________ is the law of ________ of energy.
5.The value of acceleration of an object moving at constant velocity is ___________
6.The force of ________ keeps the planets in their orbits.
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Answer 1

here you go with your answer

same answers but little difference in questions

ignore diagrams