The reading on Richter scale above which mark can severe damage
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Which of the following action is environment friendly to reduce pollution
(i) Use of unleaded petrol in vehicles
(ii) Use of pesticides and insecticides in plants
(iii) Using sewer treatment plant
(iv) Restricting smoking in public to designated space
The liquid which comes out of an active volcano is called
Two table of biodegradable and non-biodegradable are listed below. After reading the table, Ramesh has made some references. Which of them is correct?
There many natural process which brings changes on surface of the earth. Which of the following process would bring the slowest change on earth surface?
Presence of undesirable substances in water is called
Breathing problems are very common in metropolitan cities like Delhi. Doctors advise go to the rural area because
Which of the followings substances can be recycled from the given substance plastic Bucket, aluminum container, newspaper, carton box
Water can be reused with which of the following methods
Which of the following is directly and indirectly related to air pollution?
Global warming is related to which set of gases
If there is very scarce rain or no rain the crops fail to grow. This condition will lead to
If earthquake occurs which of the following is not a safety measure
In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant → Small fish → Large fish
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