A geology is a branch of science that deals with the study of Earth, its structure and materials made it. And the person who studies this is called as Geologist.
Money spent by the government on government programs such as road work, electricity work, manhole, etc... that are aiming to contribute to the nation's social welfare in long and short term are referred to as Goverment Expenditures.
Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?