Determine the total net force and the direction of movement for each situation

What are the similarities of physical and chemical change ?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

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