B. A question
You need to think of a question to begin to make an experiment, otherwise how do you know what you’re trying to find?
Unlike fishes with bony skeletons, a shark's skeleton is made out of cartilage. ... Sharks, rays, skates, and chimaeras (also know as rat fishes) all have cartilaginous skeletons.
The plastic wrap that could have caused the browning effect is the ; Plastic wrap made of polyethylene
Ethylene is a multifunctional phytohormone that regulates growth and senescence ( softening and ripening of fruits ) in plants. Ethylene is a gaseous substance produced by fruits after they are harvested, which accelerates the softening and ripening of the fruits.
The browning of the banana will mostly likely be caused by the presence of the ethylene in the polyethylene plastic wrap.
Hence the plastic wrap that could have caused the browning effect on the banana is the polyethylene plastic wrap.
Learn more : brainly.com/question/17340947
From node to node on a myelinated axon.
hope this helps :)
Answer:
Approximately five percent of the ocean has been discovered, which leaves 95 of the ocean unexplored. Depending on who you ask, there exists not one—but two—final frontiers of discovery.
