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प्रश्न
What makes the earth’s atmosphere a heterogeneous mixture?
उत्तर
The earth's atmosphere is heterogeneous as it typically consists of 21% oxygen, 78% nitrogen, 0.93% argon and 0.03% CO2 with other gases making up the remaining percentage.
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संबंधित प्रश्न
The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags
In the course of your observations, did you notice any signs of the presence of living things, though the living things themselves were not seen? For example, did you notice any partly eaten fruits or shells, fallen feathers, animal tracks, dung, droppings, nests, cocoons, eggs, honeycombs, etc.?
What are the different purposes for which fuels such as petrol, diesel, kerosene, natural gas, coal, and wood are used?
Classify the following as natural or man-made.
dolphin
Classify the following as natural or man-made.
water
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
book.
Classify the following as natural or man-made.
chair
When is the world environment day celebrated?
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
