What must be the diameter of a suction cup (completely evacuated) and stuck to the ceiling, if the cup is to support the weight of an 80 kg student? You may assume that the surrounding atmosphere has one atmosphere of air pressure. g

Answermuscle strength;

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.

B. that is the answer