Exercise 2: Read the text below and answer the questions that follow by writing the letter of
your answers on the blank.
Scientists found out that Mercury's atmosphere is very hot. Venus is hot too. Mars and Pluto are too
cold, and their atmosphere is made up of too much carbon dioxide just like those of Jupiter, Saturn, Uranus,
and Neptune. The planet Earth on the other hand has an atmosphere which is made up of oxygen. Earth
also receives enough light and rays from the sun which makes the planet fit for life.​