If it is Saturday noon at 60 E what time and day is it at 15 W?

Do you guys know all the answers to this

What is an additional type of erosion found at the coast? what does it mean?

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.