What type of investigation would a scientist studying this sinkhole use? what tools might be used to study it?

If i see a courtesan and a naked person do i call the police?

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction

Why is it necessary to obey social norms? write briefly.