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Methane should be rapidly destroyed in Titan's atmosphere, yet it is still present in appreciable amounts. How can this be?
Agricultural Crop
An agricultural crop is a plant or plant product that can be grown and harvested extensively for profit or subsistence.
Western Expansion
The 19th-century movement of settlers into the American West, encouraged by policies like Manifest Destiny, affecting Native American lands and leading to the establishment of new states.
Slavery
A framework where people are possessed by others, lacking in personal liberty, and forced to carry out work or services.
Fur Trappers
Individuals or explorers, particularly in the 18th and 19th centuries, who trapped and traded animal fur, significantly contributing to the European settlement and exploration of North America.
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