When the nozzle is higher than the pump; which of the following formulas apply?

Although potent, a(n) ________ is the smallest known infectious organism and requires the use of an electron microscope for visualization

a. cancer b. bacteria c. virus d. infection

Freestanding fire walls are most often found in buildings of ___ construction

A) steel frame and heavy timber B) concrete or masonry C) steel frame or concrete frame D) wood frame or masonry