Помогите пожалуйста по английскому срочно надо плисс

Read these sentences and fill in the gaps with the correct word(s).

Example 0. The most common ways of pollution are: soil pollution, ____________ and air pollution.

Answer 0. water pollution

1. Ozone in the
is formed by the action of solar ultraviolet light on oxygen.

2. Numerous factories every day release into the
tons of poisonous chemicals and even heavy metals.

3. The
is a natural process that warms the Earth’s surface.