Answer:
Brainliest please
Explanation:
A confirmation test refers to a lab procedure conducted after an initial screen of a submitted sample (commonly urine, hair, blood, breath, or oral fluids) indicates positive results of drug metabolites in the system.
Plasmids are small DNA fragments that occur in many bacterial cells.
Answer:
Coal
Explanation:
Coal is considered a nonrenewable resource, because it takes millions of years to form.
