Answer:
instincts are complex series of innate behaviors.
Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
Answer:
Pump-and-Treat is a primary technique for groundwater and soil remediation. In this process, groundwater is pumped to the surface, and contaminants are removed by a variety of treatment methods, including air-stripping, activated carbon, ultraviolet or ozone treatment, precipitation and biodegradation.
Explanation:
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