Two parallel lines are crossed by a transversal.

horizontal and parallel lines g and f are cut by transversal h. at the intersection of lines g and h, the bottom left angle is a degrees. at the intersection of lines f and h, the bottom left angle is 63 degrees.
what is the value of a?

a = 43
a = 63
a = 117
a = 137

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.