Meera is an eleven-year-old student in India. She knows that her country is a part
of Asia, but because it is separated from the rest of the continent it is sometimes
called a

I think its city-state but Idk

Subcontinent

Explanation:

Because the Himalayan mountains seperate India from the rest of Asia, it is a subcontinent(subcontinent is a distinguishable part of a continent) and India has many geographical features of a continent, but it is not big enough to be one...which is another reason why its called subcontinent.

a graduated cylinder.

explanation:

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of c is as shown here in the image.