Context: Read the text about an animal in motion.
A robin was standing on flat land below a maple tree. Then, the robin flew directly to a branch high in the tree.
Complete the statement. Assume that the robin's mass did not change.
The gravitational potential energy stored between the robin and Earth () as the robin flew to the tree branch.
A. increased
B. decreased
C. stayed the same
Choose the right answer from the options and respond with its letter.

A