The answer is, "Iron and Nickel".
I believe another term for Natural Selection, based off of the answers provided, I would say C, Survival of the Fittest.
<span>The two sentences that accurately describe the girls' experience with heat transfer are "Camille heats a rock in the campfire for 30 minutes, and then removes it with tongs. She greases the rock and lays the bacon strips directly on it." By heating the rocks in the campfire and laying the bacon on the rocks, the girls transferred the heat from the fire to the rocks, and the heat from the rocks to cook the bacon.</span>
It varies but mostly 32-34
