Answer: A and B
Explanation: C is coming from your own ideas, and D is just not citing a source correctly.
Answer:
A. has been waiting
Explanation:
"My mother" is the subject then "has been waiting" is the simple predicate
Answer:
When economists refer to the “opportunity cost” of a resource, they mean the value of the next-highest-valued alternative use of that resource. If, for example, you spend time and money going to a movie, you cannot spend that time at home reading a book, and you can't spend the money on something else.
Explanation:
Also can u pls mark me brainliest im new
She is trying to make the citizens of the united States of America eat healthier so we can have a balance on meat and vegetables
