What is multi focus?

How can you tell if a metal is a magnetic? How do use a magnetic attraction to separate a mixture? What reflex occurs when you touch a baby's cheek? Experiment to determine the relative atomic mass of Lithium? Which liquid evaporates first in hot temp cold temp and room temp? What is the change plate on register? How does metabolic requirements affect specialized tissues? Does smell affect your mood? What deos the atomic mass represent? What is climatic contrast? What provides the greatest surface area upon which a solvent can strip solute particles? Gas of Pluto? How many watts of energy are in a gallon of salt water? As the resistance of a material decreases does the efficiency of power transmission increase If so is it linear relationship and what about superconductors? What describes a holocrine gland? What is a simple explanation for the Big Bang Theory? What is the field of science that deals with the cultivation of horticultural plants? Why is it hard to cool down on a hot humid day? The following words share a common feature what is it calmness canopy deft first sigh stun? What is the purpose or goal of the anaylize phase of the DMAIC process?