At melting point, a substance exists as

Why is it illegal to manufacture fireworks without a license

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution