The earthworms in the mountains of southeastern Australia release their own slime (called mucus) into the soil, live for 20 years, and move about underneath snow at soil temperatures of 0(C or 32(F, all winter long.
Naturally toxic
Naturally toxic Mercury is being released into the oceans by
hydrothermal vents which occur on ocean floors. Hydrothermal vents
are like hot springs or small volcanos which are situated on the
floors of oceans. Scientists are now wondering whether this natural
pollution may be contaminating fish. 9 OCTOBER 1999, P. 11
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