What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration

The total fertility rate is a measure of the number of children that would be born if all women lived to the life expectancy age forthe given country in which they live.

What was the most difficult obstacle to overcome in the creation of an autonomous state after indian independence was achieved? a british willingness to go to war to retain the region b. religious differences between hindus and muslims c. ethnic differences between tribal regions d. indian princes' inability to decide on a format of government

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.