Air

this picture shows/represents the property:

• air occupies space

• air can move things

• air has weight

• air helps in burning

• air is never useful

Why do you need air?

• to smell

• to feel

• to breathe

• actually, we do NOT need air

• I do not know

What is the primary component of air that humans need to survive?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium

Which layer of Earth's atmosphere contains the air we breathe?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

How does air pollution primarily affect human health?

• Causes respiratory problems

• Improves digestion

• Enhances vision

• Strengthens bones

What is the process called when plants release oxygen into the air?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Which gas is most abundant in Earth's atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

What is the term for the movement of air from high pressure to low pressure areas?

• Wind

• Breeze

• Gale

• Storm

Which human activity is a major contributor to air pollution?

• Burning fossil fuels

• Planting trees

• Recycling

• Using solar panels

What is the effect of deforestation on air quality?

• Increases carbon dioxide levels

• Decreases oxygen levels

• Increases oxygen levels

• Decreases carbon dioxide levels