<span>Active transport means</span><span> moving against a concentration gradient, from a lower concentration to a higher one</span>
Answer:
C.
It controls the entry and exit of substances.
Answer:
Examples of direct costs are direct labor, direct materials, commissions, piece rate wages, and manufacturing supplies. Examples of indirect costs are production supervision salaries, quality control costs, insurance, and depreciation.
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Explanation:
B.) A food chain shows only a single pathway of energy.
Remember that food web are made out of lots of food chains combine. Food chain is only one pathway.