Complete the sentences with the correct form of the verbs in brackets. What type of Conditional is each sentence, 0 or 1st?

1) If you like extreme sports, you love extreme ironing! (0 Conditional) 2) Unless the weather gets better, we will not go to the beach. (1st Conditional) 3) When ocean waves erode cliffs, sea caves form. (0 Conditional) 4) If you boil water, it produces steam. (0 Conditional) 5) If sea levels rise drastically, low-lying islands will vanish. (1st Conditional) 6) If Beth comes paintballing with us, she will have a great time. (1st Conditional)