Compound subjects are contain two or more noun phrases which are form a single, larger noun phrase.
mixture
An ionic compound is an example of a chemical compound.
plastic is a compound .
Do you mean how is an organic compound different from an inorganic compound? If so, an organic compound has carbon, an inorganic compound does not need to have carbon.
This is a compound sentence, and it smells bad.
Not always
Two or more subjects with the same verb is a compound subject.
A MIXED COMPOUND SUBJECT is a mixture of subjects in a sentence.
A compound subject has two or more subjects. In the sentence "Jerry and Carl went to the movies", "Jerry" and "Carl" are the compound subjects. In the sentence "Bob, the ice-cream man, and Sue, his new wife, are going to Memphis on their honeymoon", "Bob" and "Sue" are the simple compound subjects, and "Bob, the ice-cream man" and "Sue, his new wife" are the complete compound subjects. Be warned - on tests on compound subjects, teachers don't want you to put "Jerry and Carl"; they prefer "Jerry, Carl".
A compound subject has two or more subjects. In the sentence "Jerry and Carl went to the movies", "Jerry" and "Carl" are the compound subjects. In the sentence "Bob, the ice-cream man, and Sue, his new wife, are going to Memphis on their honeymoon", "Bob" and "Sue" are the simple compound subjects, and "Bob, the ice-cream man" and "Sue, his new wife" are the complete compound subjects. Be warned - on tests on compound subjects, teachers don't want you to put "Jerry and Carl"; they prefer "Jerry, Carl".
A compound subject is a sentance with two or more subjects.
Yes, a compound subject consists of usually two simple subjects connected by "and".
a compound subject is two or more subjects joined by a conjuction
Compound or not, never separate a subject from its predicate with a comma.
Two or more subjects with the same verb is a compound subject.
Two or more subjects with the same verb is a compound subject.
If you are talking about predicates it is simple. If you are talking about subjects it is compound.