The graph shows the world human population from 10,000 BCE to 2000 CE.

Graph of world human populations (e s t) from 10000 B C E to 2000 C E in billions. Population stayed steady in 10000, 8000, 6000, and 4000 B C E. Population started to rise in 2000 B C E and 1 CE. Population rose dramatically after.

Based on the graph, what was the estimated population size in 2000?

one billion
three billion
five billion
six billion

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

lol   that was   funny : >

bloodiest single day of war   |   gettysburg

where the civil war ends for good   | appomattox court house

the first major land battle; south wins | bull run/manassas (va)

gives union control of the mississippi river |   vicksburg

lee’s first tactical defeat; big win for union |   fort sumter1

with lincoln's re-election |   atlanta

south wins

splits confederacy in two for the duration of the war,

antietam