Answer: advantage
Explanation:
Over 442 million people in at least 20 nations recognize Spanish as their official language. Knowing how to speak Spanish and visiting any of those countries will ensure better communication with the natives which would lead to one enjoying their trip more.
Knowing Spanish for such trips is to therefore be considered an advantage.
Solids has a definite shape and sizes or matter
The business is the content or general message of a conversation or what the conversation is about. Option A is correct.
Conversation may be defined as a talk between two or more individuals in which the convey thoughts, feelings, and ideas, ask and answer questions, or even news and information is exchanged. So, in a conversation were a message is delivered with an intention, the real message will have a specific content known as business.
The statement that is true for sentence that have more than one clause is that, there can be one negative word per clause. If a sentence has more than two clauses, then each clause can have one negative word. But double negatives in one clause is grammatically wrong.