The principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is ) surface area(b) water depth(c) temperature(d) salinity

Which feature of a human community is similar to a niche in a biological community

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?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?