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potentially lethal disease in humans and grazing animals such as cows and sheep. The disease is caused by the bacterium Bacillus anthracis. There are effective vaccines against anthrax and some forms of the disease respond well to antibiotics.
the seepage of acidic, contaminated water from disused mines and mine dumps.
the soft 'roof' of the back of the mouth.
substances that have a harmful effect on the environment and also on human health.
an atom or a group of atoms that has gained or lost one or more electrons and so has an electric...
long threads of genetic material (DNA and histone) found in the nucleus of a non-dividing cell...