Which statement about the u. s. clean water act is true?
a) it was the first clean water act in u. s. history.
b) it was generally considered a failure.
c) it made exemptions for many farm activities
d) it became obsolete in the 2000s

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Which of these parts of the membrane large moecules pass through it ?

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?