After a stroke you may lose voluntary control of muscle groups but those same muscles can still perform reflex actions. What explains this

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!