Select all of the answers that apply. air pollution causes starvation acid rain respiratory distress global warming water shortages

The correct answers are:

- acid rain;

The acid rain occurs when a normal cloud gets polluters in it, so they mix, and the rain's composition is different, causing a lot of damage.

- respiratory distress;

The pollution of the air is directly affecting the respiratory system because there are lot of polluters that are toxic to the human body, so the respiratory distress is a common thing.

- global warming;

The big amounts of CO2, but also methane, released in the atmosphere, result in the increasing of the Greenhouse effect because they manage to trap more heat into the atmosphere.