Calculate approximately how long it took for the atlantic ocean to open to its present width at the equator (about 6,600 km). show work

Why the moon is not visible from earth during the new moon ?

Why is the indus river so important to the people of pakistan?

Which of the following statements best describes the quantity theory of inflation? a.inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these