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
Answer:
C. as a molecule of ferretin
Explanation:
The correct answer is C. Desert.
Desert area is likely to experience large amount of natural erosion.
Erosion occurs depending with the movement of ice, water or wind over a surface whereby it is known to occur on downward slope reason being the force of gravity.
Some of the causes of erosion include; gravity, water, and burrowing animals.
Erosion is known to occur when water or wind moves over soil, rocks, or sediment. Sometimes natural erosion benefits because it helps to have fertile soil.
Answer:
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Explanation:
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