Answer:a research article that includes interviews with teenage athletes
Explanation:This is a primary resource that would provide information on teenage athletes. They would know their own mental health better than anyone else.
The key differences between the Atlantic hagfish and the gulper eel is that the hagfish is part sea snake and and the gulper eel is part eel and part giant pouch. Also the gulper eel can eat its prey with its large mouth while hagfish have a circle of razor sharp teeth.
Many things, the Quarterly act, Proclamation of 1763, Stamp act, Townsend act, etc AKA this was known as "TAXATION WITHOUT REPRESENTATION".