Which learning theory is based on associative learning? a. cognitivism b. constructivism c. behaviorism d. transformative

I think it's B. Constructivism.

need more in formation

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.