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प्रश्न
Mention whether the following statement is true (T) or False (F).
Electricity is one of the primary needs of human society.
विकल्प
True
False
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उत्तर
False.
Electricity is one of the secondary needs of human society.
संबंधित प्रश्न
Identify biodegradable waste from the following:
peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
Mention whether the following statement is true (T) or False (F).
Some of the electronic wastes may contain valuable metals such as copper.
The question has four options. Choose the correct answer:
Sewage is broken down in
What things does waste contain?
Discuss:
Is garbage disposal the responsibility only of the government?
First link in any food chain is usually green plants because ______.
Which of the following features relates to biodegradable substances?
Which of the following is non-biodegradable?
