Louis is writing an argumentative essay claiming that sleeping 8-9 hours each night is key to a teenager's health. Which counter argument below refutes his claim? Select one:
A.teens that sleep 8-9 hours each day have more muscle mass than those that sleep less B.teens are too involved in activities to sleep for 8-9 hours each day
C. increasing sleep improves a teenager's immunity by at least 10%
D. adequate sleep increases a person's ability to learn​