Research suggests that the capacity of short-term memory is a. quite large, holding a large number of items simultaneously. b. equivalent to sensory memory, holding about a hundred items at one time. c. larger than the capacity of long-term memory among young people. d. somewhat small, holding only about seven items at one time.

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen

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