Answer:
Can not be traded for something equal
Because it's talking about museum so in that place trading takes place
Answer:
An informal letter is a letter that is written in a personal fashion. You can write them to relatives or friends, but also to anyone with whom you have a non-professional relationship, although this doesn't exclude business partners or workers with whom you're friendly.
Explanation:
Your also in connections...what is the question and I will help you