The smallest plant seeds are those belonging to orchids. Three million orchid seeds would weigh about 1 gram (1/28th of an ounce).
Drier times?
Drier times? Some 3.5 billion people - about 48% of the Earth's
population - will live in river regions threatened with chronic
water shrotages by 2025, scientists say. " We waste too much water
and we pollute the heck out of it," says Nels Johnson of the
Washingon-based World Resouces Institute. JUNE 01, 2001
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