If we do
not pulled the air
We would
have more oxygen
If we saved
air, we would have more
If you used
bicycle, you wouldn´t fuel
If you used
bicycle, you wouldn´t destroy the planet
If you
turned off the lamp, you would save money
If you
unplugged the electrical equipment in the office, you would prevent
electromagnetic pollution
If you did
exercise, you would have a good life
If you had
energy, you would run in the park
If you
turned off light, you would save energy
If you save
energy, you would take care the planet
If you
turned...