One recent enhancement to client-server computing is ____, in which more than one server can  run on the same physical piece of equipment.

What is the key difference between a suspension and a solution?

A) A solution must be shaken well before use. B) A suspension must be shaken well before use. C) A solution is only for oral ingestion. D) A suspension is dissolved in glycerin.

Mast cells are:

A) acquired through a complex immune system. B) basophils that migrate into the tissues. C) signaled by chemical messengers to travel to areas where they are needed. D) monocytes that have migrated into the tissues.