Aproducer charges $500 for a cell phone, but buyers are not buying any cell phones at this price. so at this price, the producer is willing to supply phones, and consumers are willing to buy phones.

zero, many
zero, zero
many, zero

Anode is a point on a wave where there is no vibration. a.true b.false

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

Describe two reasons that cities developed along rivers during the industrial revolution. for full credit, your response must be at least 2 complete sentences.