Balance the following: Aluminum metal reacts with iron (II) oxide powder to produce aluminum oxide solid and iron metal.

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.

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.