Answer: option C) cowpox and smallpox are caused by the same virus
Explanation:
Cowpox is a skin disease that affects cattle. It is caused by an Orthopoxvirus, with lesions occurring principally on the udder and teats of the animals.
Human infection may occur from touching infected cows, and thus giving immunity to smallpox (an acute infection caused by the same poxyvirus, in HUMANS)
So, Jenner's successful use was because cowpox and smallpox are caused by the same virus
<span>also supports and protects and shapes a plant cell and also regulates what moves into the cell can help support the entire plant. What similarities do the mitochondria and chloroplasts share? Both membrane bound organelles have their own DNA and help make energy available to the cell.</span>
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Atoms. Every element is made of a specific type of atoms.
