In India, rural incomes are generally lower than the urban incomes, which of the following reasons account for this? A large number of farmers are illiterate and know little about scientific agriculture Prices of primary products are lower than those of manufactured products Investment in agriculture has been low when compared to investment in industry
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?