Rewrite each of the following sentences using the given words so that it keeps the same meaning. Don't change the form of the words given.

1. It will be dangerous if there is not enough oxygen to breathe.

   It _____________________________________________. (Unless)

2. Venus has the same gravity as Earth.

   Venus's gravity _________________________. (to)

3. The IPhone 16 has a great camera, and the speaker is really good.

   The IPhone 16 __________________. (also)

4. The new phone has a great screen, but the battery is terrible.

    The new phone _____________________________. (however)

5. The temperature in Mars is too cold for humans to live in.

     The temperature ________________________. (enough)