What has been found regarding the impact of sleep on people's ability to perform a sequenced finger-tapping task?

a. practicing two skills on the same day can interfere with retention of the second skill practiced.

b. practicing two skills on the same day can interfere with retention of the first skill practiced.

c. reviewing a recently learned skill before beginning to practice a new one can interfere with retention of the new skill.

d. reviewing a recently learned skill before beginning to practice a new one can interfere with retention of both skills?

Methamphetamine (meth) is an addictive drug made chiefly in small toxic labs (stls) in homes, tents, barns, or hotel rooms. the manufacturing process is dangerous and often results in explosions, burns, and toxic fumes. government entities spend time and resources to find and destroy stls, imprison meth dealers and users, treat addicts, and provide services for affected families. meth cannot be made without ingredients that are also used in cold and allergy medications. arkansas has one of the highest numbers of stls in the united states. to recoup the costs of fighting the meth epidemic, twenty counties in arkansas filed a suit against pfizer, inc., which makes cold and allergy medications. what is pfizer's ethical responsibility here, and to whom is it owed? why?