Answer:
A. producers
Explanation:
primary productivity is the organic matter produced by producer in unit area for particular time duration
Explanation:
The Law of Conservation of Mass can be stated as "mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction."
Answer:
Critical thinking and skepticism are important to scientific inquiry because they prevent erroneous conclusions from being reached.
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