A primary source can be defined as?​

One way in which the european union encourages trade among countries is through the use of

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 appalachian mountains rise to heights of about feet. 2,000 2,500 3,000 3,500