Zero conditional to first conditional 1. If you heat ice, it turns into water. 2. If it rains, I stay home 3. If you don't water plants regularly, they die. 4. If you leave margarine under the sun, it melts soon 5. If you water a cactus every day, it dies in a short time

1. If you heat ice, it will turn into water.

2. If it rains, I wil stay home

3. If you don't water plants regularly, they will die.

4. If you leave margarine under the sun, it will melt soon

5. If you water a cactus every day, it will die in a short time

Explanation:

Zero Conditional is used with both clauses in the Present Simple to indicate situations that are facts or always true. Meanwhile, the First Conditional consists of a condition clause in the Present Simple and a result clause with Future Simple will. It is used to express possible or probable situations in the future.