Because energy is wasted either in the form of heat energy or something else (like friction)
A grandfather paradox is a situation where individual travels to the past and then introduces a change which affects or contradicts the present.
<h3>What is a grandfather paradox?</h3>
A paradox is a situation or statement which involves two contradictions.
A grandfather paradox is a situation which is defined by the ability of an individual to travel to a time in the past usually before the birth of their grandfather and then introduces a change which affects or contradicts the present. For example, killing the grandfather to prevent their birth.
In conclusion, a grandfather paradox is is an event which contradicts the present as a result of a change done to the past.
Learn more about a grandfather paradox at: brainly.com/question/8707309
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[ Answer ]
True
[ Explanation ]
Any exercise that has very hight intensity or puts you at your maximum level of exertion is an example of anaerobic exercising. Anaerobic exercise is suppose to help you gain muscle and lose un-needed weight. Anaerobic means "without oxygen." This is when your breathing is so intense you have a few intense deep breaths of air but very little breaths in all. This will happen when lifting weights, running, or sprinting up the stairs.
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Yes, they are synonymous terms.