Hey guys we can do a lunch tomorrow if you’d like to come too so
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 A.
A subject-verb agreement implies that the subject of the sentence and the verb of the sentence must be in agreement in number.
A pick and shovel ( two things, therefore plural ) <em>are used</em> to remove sand;
When two subjects are joined by <em>and</em>, the verb is plural.
then workers or a crane <em>lifts</em> the artifacts.
When two or more singular nouns or pronouns are connected by <em>or </em>or <em>nor</em>, a singular verb is used. The verb agrees in person and number with the noun nearest to it.
Pangaea was a giant continent, it had almost all the continents we know as today. Pangaea later broke apart because of the plate tectonics and Africa separated from South America, India separated from Antarctica, North America separated from Europe, Australia moved away from Antarctica, and India moved away from Madagascar. India also later ran into Eurasia forming the Himalayas.
