Answer:
the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
Explanation:
Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Electrons are tiny, negatively charged particles in an atom that move around the positive nucleus at the center. Energy levels are a little like the steps of a staircase.
The correct answer is thesis statement.
A thesis statement is the most important sentence in an essay - in it, you will find the main idea of the essay and why it was written in the first place. The author will briefly summarize his or her motivation and goal for writing the essay in this sentence, which is usually found at the end of the introductory paragraph.
Having many friends and having few friends is obviously thinking of the amount of friends without caring much about quality. It's good to have few friends, but to have true friends.
It is always preferable to have quality friendships. Friendships built on trust, caring, love, understanding and reciprocity. A friendship between two people is between two people, never a single part. It has to have both parts. It must be a friendship strengthened in personal, intimate, and deep knowledge, to the point of this friendship overcoming difficulties, confusion, misunderstandings, quarrels, everything. This kind of friendship is built with quality. And nowadays few people possess those characteristics or are willing to acquire them. That is why friendship should never be based on quantity, on the largest number of friends. If we have few friends but friends with these characteristics, we know that they are real friends.
It’s hard to believe that some people actually think laying around playing a game is a sport.
