Rice prices must be kept within reach of the poorest people.
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</span><span>the time or date (twice each year)
</span><span>when day and night are of equal length</span>
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.
The answer is San Francisco will be warmer than St.Louis in the winter.