Answer:
Choice B
Explanation:
"Permeable" means "Letting solids or liquids through (a material.)" "Semi" means "half or partly." So "semipermeable" means allowing some objects through, but not all.
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a. not be able to meet long term timber needs.
Answer: C. A substrate
A substrate is a substance on which an enzyme act. The enzyme acts on substrate X and converts it to Y.
racoons
they are nocturnal animals
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