Which sentence uses the word it's correctly? OA.
My
mother says
it's not polite to stare.
O B.
The car rammed it's front bumper into the tree.
O C.
The cat carried it's kitten to the kitchen.

A

Explanation:

It's  means it is and it fits better than the other sentences. My mother says it is not polite to stare.

14 chromosomes

explanation:

sperm cells of the russian dwarf hamster contain 14 chromosomes. how many chromosomes are found in a normal body cell of the russian dwarf hamster? a cell with 20 chromosomes undergoes mitosis.

"a" because he is appealing to logic as oppose to appealing to the audience's emotions.