It is formed from mantle material
Hyaline, elastic, & fibrocartilage!
When calculated energy transferred between objects use the definition of heat as
Answer:
NO
Explanation:
No, a machine cannot be 100% efficient. This is due to the movement of the moving parts siding against each other and causing friction. This friction is the one that creates heat and causes wear and tear between moving ports f the machine hence making the machine to decrease in efficiency with time
