Clark case summary for gizmo
1 answer:
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A. fossil fuels is the correct answer
Answer:
sur what will we do
Explanation:
It's around equal but girls.
Answer:
Jonas Salk
Explanation:
- The vaccine that is used for the prevention of polio caused due to the infection caused by the poliovirus is known as polio vaccines.
- The first successful polio vaccine was developed by Jonas Salk in the year 1952 and the success of the field trials was announced in the year 1955.
- This vaccine became famous as the Salk polio vaccine which is 60-70% effective against PV1 and 90% against PV2 and PV3.
- This vaccine was an inactivated vaccine.
Answer:
here look at the answer
Explanation:
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