Comparison of rates of surface-elevation change on the Greenland ice sheet
derived from European Remote-sensing Satellite-2 (ERS-2) radar-altimeter
data with those obtained from laser-altimeter data collected over
nearly the same time periods.
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Choose your pet carefully and think before buying an exotic animal
Reptiles, birds and fish are often taken from their natural habitats. The black market for exotic pets has devastated entire populations of species, and it is still the fastest growing sector in the pet market.
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