Answer:
The sum of an object's potential and kinetic energies is called the object's mechanical energy. As an object falls its potential energy decreases, while its kinetic energy increases. The decrease in potential energy is exactly equal to the increase in kinetic energy. Another important concept is work.
Explanation:
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Answer:
edthothermic
highly developed nervous system
several nearly hollow bones
Answer:
infinitive phrase is the answer
c
Explanation:
its is passing because no other one would sound right
