A commucist organization formed in Cambodia in 1970 became a terrorist organization in 1975 when it capture Phnom Penh and create a government that killed an estimate three million people
Democratic Kampuchea
They're covered by sedimentary rock .
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Subsistence agriculture is a form of farming where a family or community harvests groups for their personal consumption while market-oriented agriculture relies on the harvest of cash crops
Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
The answers is B.) Large number of Africans we’re forcibly taken to American during the slave trade .