What substance do you think reacts with a cut apple to turn it brown?

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

actually the answer is c

scientific consensus is : a general agreement among scientists about a scientific idea.

even though consensus implied general agreement, it doesn't mean unanimity. for example, scientists generally agree that meteor caused dinosaur's extinction. though this may not be proven yet, but it considered a consensus.

hope it