Free verse is a poetic form that does not use formal rhyme and meter. That is why it is free - it doesn't have to stick to these formalities.
It isn't simile, because there is no comparison to anything, and it isn't ironic.
Cob has been used since the 17th century as a building material. It is made by mixing dry sand, sifted clay and water. A cob house is a house that is made from this material. A benefit of using this material, is that it is sustainable and only uses natural products.
D. Working as a flight attendant is the most exciting service job in the world. Someone else might think it's boring
