A Heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming 23 feet below sea level. select all TRUE statements.

A. The difference in height between the pelican and the heron is -33 feet
B. The difference in height between the pelican and the heron is 33 feet
C. The distance between the heights of the pelican and the heron is -33 feet
D. The difference in height between the pelican and the trout is -40 feet
E. The difference in height between the pelican and the trout is 40 feet
F .The distance between the heights of the pelican and the trout is 40 feet