The method of rainwater harvesting which can be adopted by individual house owners is ___________.
The nitrogen content in air is ___________.
The active part of air is __________.
Abhishek wants to fly a kite. What will he need to fly it?
Burning materials releases____________.
Which of the following is the most abundant element in Earth's crust?
Kitchen waste such as vegetable peels must be separated and thrown___________.
In a certain code, 'DESK' is written as '# $ 5 2 ' and 'RIDE' is written as ' % 7 # $ '. How is 'RISK' written in that code?
If Monday falls on the second of a month, then which day will fall two days after 10th ?
Which of the following will cause a decrease in the water table at a place in future?