PLEASE HELP Total world population (billions): 1804 1; 1922 2;
1959 3: 1974 4: 1987 5; 1999 6. Estimates for the
future (billions): 2013 7; 2028 8; 2048 9.
State the number of years taken for each
population increase of one billion (known
and estimated).

Which year held a congressional election and a presidential election

Democratic vs democratic whats the difference? ?

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.