Options: the intensity of light emitted by them changes with time, the distance of the stars from the earth changes with time, the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time, the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere
The three recognized major fishing grounds of the world are located in the
Options: northern hemisphere only, southern hemisphere only, two in the southern hemisphere only and one in the northern hemisphere, one in the southern hemisphere only and two in the northern hemisphere
Options: modified value added, a term used in excise which is a new scheme of indirect taxes, scheme which allows a manufacturer to claim instant reimbursement of the excise duty paid on the raw materials used for the production of the final good, All of the above
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?