Which of the following is the cleanest source of energy?
View Answer Report Error Discuss
___________ is obtained by evaporation of sea.
What is the name of ecologically clean rocket developed by Russia based space research center?
Rectifiers convert _____.
Which of the following is a Non-Luminous body?
While selling a shirt, a shopkeeper gives a discount of 7%. If he gives discount of 9% he earns Rs. 15 less on profit. The market price of the shirt is :
What is special about a sword-billed hummingbird?
Stainless steel was invented by