Answer:
The study of anything basically. It is learing new things by observation, experiments, facts, principle, and hypothesis.
The growth on soap would not change that much, it will just change a little or just a bit of its part, but the damage would decrease the species growth elsewhere. Growth on soap will not change, but the damage had the chance to decrease the species growth elsewhere.
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
A fierce predator is removed from the ecosystem.
Hope this helps!