Answer:
the abiogenesis theory helps us understand
Explanation:
Answer – 3. A weakened form of a virus
When getting a vaccination, the substance which is injected into the body is a weakened form of a virus. This weakened from of the virus has the ability to arouse the body’s defense mechanism without causing an infection.
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The raw material from which sedimentary rocks are formed is D. Weathered remains of other rocks.
