Answer:
More info given below.
Explanation:
This attraction occurs as a result of static charge. You see an atom is referred to as the smallest particle of a substance; and when an atom gains or looses electrons it becomes unstable creating a difference in potential. However in this case rubbing induces friction which induces heat. This heat excites the atom to loose electrons creating a negative charge on the silk and a converse positive charge on the pencil.
D because no human has the ability to make their own food within themselves.
<span>B) He noticed four-fifths of the air had been used up. If by air this question is referring to oxygen, the fact that it has been used up means it has reacted, mean a substance has combusted.</span>
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aM deSpAraTE
Make a Writing by analyzing the article by scientist Fernando Reinach. In the First Paragraph, you must present the text that will be analyzing. In the Second, you can highlight the positive aspects of the text.
