How old are the oldest rocks on the ocean floor?
a. less than 200 million years old
b. approximately one billion years old
c. approximately 500 million years old
d. between 200 and 500 million years old

true

hope this . : d

the thirteen colonies are:

connecticut, delaware, georgia, maryland, massachusetts, new jersey, new york, new hampshire, north carolina, pennsylvania, rhode island, south carolina, virginia