Why could the entire United States also be called a state?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?