Answer:
Speed Post is an India post service that offers secured and time bound delivery of letters, parcel and gifts. Registered Post is also an India post service similar to an ordinary post, but offers additional facilities like signature of the recipient, extra cover, a proof of delivery etc. Normally 2-3 days.
Answer:
Ariel is a spirit in William Shakespeare's play The Tempest. Ariel serves the magician Prospero
Sycorax is a character of a powerful with in William Shakespeare's play The Tempest (1611). She is the mother of Caliban.
Caliban is half person, half monster.
I think you mean a positive and negative atom
