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fred likes to explore nearby streams during the summer. however, one winter there is a lot of rain near the stream. how might the stream change before the next summer? a. the stream will be in a deep canyon. b. the stream will have dried up. c. the stream banks will be steeper. d. the stream water will be shallower.

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery