Which letter be represents an archipelago?
A. e
B. c
C. b
D. a

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

Physical features of central america look at the map above which of the following is true