The sun is containing _______ % mass of the solar system
Sun is moving around the centre of the galaxy at a velocity of _______ km/s
The horizontal rows of the periodic table are called ______
Battery was invented by__________
Which Planet has purple rocks according to NASA
A loudspeaker changes _________ energy into sound energy
The strongest part(s) of a magnet is/are _________
Which metallic element is liquid at room temperature
Pathology is the study of____________
The major ingredient of leather is__________________
