George Washington was the first ever president of the USA
Answer:
D) Since we helped make the mess, we should organize a clean-up day.
Explanation:
It's a truth that this holds true all across the globe. In any case, this is the letter's central purpose.
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.
Answer:
C) silent is the antonym for audible.
