________ is a language used by nonprogrammers to retrieve information contained in relational databases.

Premature infants are susceptible to hypothermia because:

a. they have a large surface-to-volume ratio. b. they have small stores of subcutaneous fat and therefore less insulation. c. they are unable to shiver. d. all of the above.

________ is caused by bone marrow cancer stimulating an overproduction of erythrocytes

A) Primary polycythemia B) Primary erythrocytopenia C) Secondary erythrocytopenia D) Secondary polycythemia