Answer:
relations with the sovient union improved
C. Appalachian Mountains,
If this helped, give a LIKE
Phillip James Edwin Peebles also known as Jim Peebles, is a Canadian-American astrophysicist, astronomer, and theoretical cosmologist. He is currently the Albert Einstein Professor Emeritus of Science at Princeton University. Jim is 84 years old and has won many awards including the Noble prize in Physics.
