Answer:
Explanation:
zinc zn 30 65.38 u 30 34 30
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Answer:
A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.
Explanation:
Answer:
Blood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients and helps dispose of metabolic wastes
Explanation:
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