In which Eco-system Grassland is included?
(d) Fresh water
Which of the following is not an output device?
(a) Touch Screen
Information that comes from an external source and is fed into computer software is called
Pick the odd one
The active metals are extracted from their ores by the process of reduction with
(a) Electric current
Which of the following is used in thermometers?
Cadmium is almost found in the ore of
Which of the following alkaline earth metal is used in manufacture of aeroplane parts?
Which is the most reactive metal?