75 read the passage: john is a biologist with the alaska department of fish and game. his study area is the tanana valley, a boggy lowland in central alaska. it's prime black bear habitat, but most of the ground is too wet for dens. unfortunately, the only dry areas that seem good for dens also happen to be used by the u. s. army for winter training. so to protect both bears and soldiers, the army hired john to find out where most bears in the area hibernate. which best identifies the author's purpose? a. to inform b. to entertain c. to tell a story d. to persuade