Answer:its " with monitoring, the concentration of every pollutant has decreased."
Explanation: just took it on Ap3x
The correct answer should be The ability to reproduce only within a species.
Answer:
Green algae, variable in size and shape, include single-celled (Chlamydomonas, desmids), colonial (Hydrodictyon, Volvox), filamentous (Spirogyra, Cladophora), and tubular (Actebularia, Caulerpa) forms. Sexual reproduction is common, with gametes that have two or four flagella.
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the answer is B cholesterol, which is a direct product of the steroid nucleus.