Located almost due east of the Reflecting Pool and the Lincoln Memorial, the monument, made of marble, granite, and bluestone gneiss, is both the world's tallest stone structure and the world's tallest obelisk, standing 554 feet 7 11⁄32 inches (169.046 m) tall according to the National Geodetic Survey
The main crop would be corn because it's mostly warm there all year round!
Answer:
Cryptocurrency
Explanation:
Cryptocurrency currency is increasing Exponentially.
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B, provide systematic irrigation.