How do i do a proper rick roll?

Kuhl found that babys brains are most open to learning the consonants in their native language at what age? and vowels at what age?

Sat no calculator section question in the picture

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.