Explain the importance of a written constitution

How and why did the 27th amendment modify the authority of congress to set its own pay

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

The pka of three different c―h bonds is given below. explain the observed trend in pka. select the single best answer.