Do you have the context to this? This phrase could have several meaning without it.
Answer: formal operational stage ....?
Explanation:
Answer:
A social letter of introduction is a short letter written by a friend to someone well known to your friend in a place you plan to visit [B]
Explanation:
A social letter is a letter written in an occasion of a special event example of social letters are congratulatory letter, condolence letter as well as other special occasion letters like invitational letter. therefore in social letter of introduction it introduces you to a friend of your friend informing him or her of your visit
Answer: A) Comparing something that is part of nature to something that is not shows that plastic bags are a problem.
Explanation:
