Answer: Bassically, certain gasses like CO2 (Carbon Dioxide) that come from stuff like burning fossil fuels and global warming, they heat up the earth, are wastes and are used as fuel.
Theres a big radiation cloud that only provides stronger evidence that the big bang theory is correct.
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Athens and Sparta both used enslaved people, but Athenian men would work with the enslaved people.
In Sparta, there were state-owned slaves called helots. ... In Athens, the lives of slaves were somewhat better. Slaves were privately owned in Athens, and each new slave was welcomed into the family with a ceremony. Slaves in Athens often worked with free citizens, although they were not paid.
A key or legend is used to understand symbols, colors, and shapes on a map
