Question 4 of 20 : Select the best answer for the question
4. How do soils become overly saline?
O A. Salt from fertilizer accumulates in the soil.
O B. Plains are flooded with seawater during large storms, which evaporates.
O C. Salts accumulate as water evaporates in poorly drained arid fields.
O D. As the climate warms, salts are deposited with acid rain.
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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