Click the correct answer (True or False).
Click the correct answer.
Which of the following is the act of taking in air into lungs?
Breathing
Inhalation
Exhalation
Which of the following diseases is not caused by air pollution?
Tuberculosis
Asthma
Malaria
Which of the following causes air pollution?
Natural causes
Human activities
Both natural causes and human activities
Which of the following make the air unhealthy for breathing?
Pollutants
Trees
Exhalation
Drag the correct option and drop it in the blank.
Plants use the gas for photosynthesis.
oxygen
carbon dioxide
nitrogen
Humans and animals need the gas for breathing.
oxygen
carbon dioxide
nitrogen
Air on heating.
expands
shrinks
disappears
is the most abundant gas in air.
Oxygen
Carbon dioxide
Nitrogen
Process of taking in and giving out air is called .
respiration
breathing
inhalation
