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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
Fill in the following blank with suitable word :
The science that deals with the inter-relationships of living things with one another and their environment is called...........
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
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.
horse.
Classify the following as natural or man-made.
dolphin
Classify the following as natural or man-made.
trees
Producers are ________.
It is a biodegradable waste.
_______ is the process of converting waste materials into new materials.
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
