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What else can I help you with?
Why is life not possible without air?
Beacuse every living thing on Earth needs to breath.
How has the definition of an element changed since ancient times?
Today an element is a chemical concept which refers to a substances formed by the same atoms (oxygen hydrogen, calcium, carbon, etc.) and which are the constituent elements of compound molecules. In antiquity , the elements were air, earth, water and fire.
What are the four groups of elements as classified by the ancient Greek?
Earth, air, fire and water are the elements
What is the air that surronds earth?
oxygen
Why do lighter objects fall slower than heavier objects?
In a vacuum. like in outer space, all substances fall at the same rate. Here on earth, the rate of falling is influenced by air resistance. A feather has 'way more air resistance than a ball of steel, for example, so falls slower.
What substances in the air are not required for life on earth?
c20
What substances are required for photosynthesis to happen?
Sunlight, CO2 (air), and water (H2O).
What substance is not considered to be an air pollutant?
A lot of substances are not air pollutant. You must specify which kind of substance do you refer as a probable air pollutant.
What is a substances that pollute the air only after they interact with other substance in earth's environment?
Secondary pollutants are the substances that pollute the air only after they interact with other substance in the Earth's environment. Primary pollutants are injected into the atmosphere directly.
Air and water are both considered to be?
essential elements for life on Earth. Air provides oxygen for respiration while water is essential for hydration and various biological processes. Both substances play critical roles in sustaining life for most organisms on the planet.
How would earth be different if we didnt have air?
There would be no life on Earth
Why is there is life on earth and not on other planet?
Beacuse earth has water air and Sun the moon has no air or no Sun or water only earth is a life planets the other planets are the same like moon they had no air or Sun and water
What qualities of earth are different from the other planets?
earth has air , water and life.
Which kind of pollution mostly affect the living organisms?
For me, it is Air pollution. Which the air we breathe in order to sustain life is being contaminated by pollutants and other chemical substances as well as hazardous substances.
Will we ever run out of air on Earth?
No, we will not run out of air on Earth. The Earth's atmosphere contains a constant supply of oxygen and other gases that support life.
What does the moon not have that earth does?
There's no water, life, or air on the moon.
Do planets have life?
Some do some don't, Earth does but not many have air or water to have life on them.
