The PSAT includes which of the following sections

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.

Which of the following combinations should favor folding rather than faulting

24 grams of iron is added to a graduated cylinder containing 45 ml of water. the water level rises to 48 ml. what is the density of the iron?