Explain how respiration and photosynthesis maintain the amount of oxygen and carbon dioxide in the air.
Important Questions on The Importance of air
Read the given passage and answer the questions.
Respiration by plants and animals and burning of things are the two processes that add carbon dioxide into the air. Burning of fuels such as petrol, diesel and kerosene is a human activity and has lead to tremendous increase in carbon dioxide in the atmosphere. Increase in carbon dioxide in the air leads to increase in the Earth's average temperature and this has ill-effects on all forms of life.
Which human activity is adding huge amounts of carbon dioxide in the air?
Read the given passage and answer the questions.
Respiration by plants and animals and burning of things are the two processes that add carbon dioxide into the air. Burning of fuels such as petrol, diesel and kerosene is a human activity and has lead to tremendous increase in carbon dioxide in the atmosphere. Increase in carbon dioxide in the air leads to increase in the Earth's average temperature and this has ill-effects on all forms of life.
What effect can burning of fuels such as petrol and diesel have on the Earth's atmosphere?
Read the given passage and answer the questions.
Respiration by plants and animals and burning of things are the two processes that add carbon dioxide into the air. Burning of fuels such as petrol, diesel and kerosene is a human activity and has lead to tremendous increase in carbon dioxide in the atmosphere. Increase in carbon dioxide in the air leads to increase in the Earth's average temperature and this has ill-effects on all forms of life.
Why does increase in carbon dioxide levels in the atmosphere have ill-effects on life on the Earth?
Read the following passage and answer the questions.
Ali noticed that thick, black smoke was coming out from his school bus. He met the transport in-charge and convinced him to get the bus checked for harmful gases emission.
What is Ali's concern?
Read the following passage and answer the questions.
Ali noticed that thick, black smoke was coming out from his school bus. He met the transport in-charge and convinced him to get the bus checked for harmful gases emission.
How do you think pollution check-up of the bus will help in controlling air pollution?
Read the following passage and answer the question.
Ali noticed that thick, black smoke was coming out from his school bus. He met the transport in-charge and convinced him to get the bus checked for harmful gases emission.
Suggest an environment-friendly fuel for this bus.
Read the following passage and answer the question.
Ali noticed that thick, black smoke was coming out from his school bus. He met the transport in-charge and convinced him to get the bus checked for harmful gases emission.
Do you think that by walking short distances instead of using a motor vehicle we can help in keeping the air clean?
