Air Pollution

Air is a mixture of ____________.

• nitrogen, oxygen and carbon dioxide

• nitrogen, oxygen and hydrogen

Living things need oxygen to carry out __________ to produce energy

• photosynthesis

• digestion

• respiration

• excretion

We need clean air to stay healthy

• true

• false

Air Pollution is only man made.

• True

• False

Singapore uses ______ to measure air quality.

• BMI

• PSI

• salinity

• percentage

Select all the air pollutants

• oxygen

• carbon monoxide

• nitrogen

• particulate matter

• sulfur dioxide

Carbon Monoxide is formed when there is ______________ burning of fossil fuels.

Natural Phenomenon like _______________ can produce air pollutants such as nitrogen oxides.

• Volcanic eruptions

• lightning

• earthquakes

• tsunamis

Air pollutants like Nitrogen oxides and sulfur dioxide cause ___________.

• poisoning

• acid rain

• inability to carry oxygen in blood

Haze causes poor ________________ in our environment.

• irritability

• water quality

• food quality

• visibility