stone from many parts of the united states. photo copyright istockphoto / ntn. cemetery markers marble is often used as a cemetery marker. it is a very attractive stone. it is economical because it is relatively easy to cut and engrave. in comparison to rocks like granite , it is not as resistant to acid...
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a: m. leprae is transmitted primarily through coughing and sneezing. in most cases, it is spread through long-term contact with a person who has the disease but has not been treated. scientists don't fully understand how leprosy is spread. help stop the suffering leprosy causes. give now to cure and...
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was commonly used as a glass etching agent by the eighteenth century, but it was not until that sir humphry davy proved that this acid was analogous to hydrochloric acid and therefore must contain an element similar to chlorine . however, the methods used to isolate chlorine were not successful in isolating...
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releases what's new careers about us our culture at a glance our vision our history where we operate contact global contacts legal disclaimer menu search home our business animal nutrition baking bio-ingredients brewing lallemand biofuels & distilled spirits health solutions oenology specialty cultures...
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