Answer:
Geosphere is the one that includes its mantle, core and crust.
An X Chromosomes
and a Y Chromosone.
It serves as a barrier to biological activity.
Answer : Option A) He asked what would happen if he deliberately inoculated someone with cowpox fluid from another person.
Explanation : Edward Jenner wanted to know what would happen if he deliberately inoculate the cowpox fluid from some person to another. He tested this experimental results and later on came up with the hypothesis. Which roughly state that someone will not get smallpox because they already had cowpox.
