Over the past century, the population of the world has been: a. growing even though the fertility rate is decreasing
b. growing even though life expectancy is decreasing
c. growing because fertility rate is decreasing
d. declining because life expectancy is decreasing
e. declining even though fertility rate is increasing

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

What makes a personal exceptionality/non-exceptionality

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.