In a human nose, the total area of the region that detects our odors is about ¾ in^2. Compare that to the sensory organ of a hunting dog, whose nose has an active area of about 65 cm^2.

What is the molar mass of potassium nitrate, kno3

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

How many moles are contained in 5.6 l of h2 at stp