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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to ...
If hydrogen cyanide is inhaled, it can cause a coma with seizures, apnea, and cardiac arrest, with death following in a matter of seconds.At lower doses, loss of consciousness may be preceded by general weakness, dizziness, headaches, vertigo, confusion, and perceived difficulty in breathing.
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than adults to the effects of pollution. Exposure to environmental pollutants during important times of physiological development can lead to long-lasting health problems, dysfunction, and disease.2 Children’s lung functioning is not yet fully developed.3–5 Compared to adults, they breathe in greater levels of polluted air relative
or the increasingly popular membrane technology that is mercury free and more energy-efficient. Worldwide there are approximately fifty mercury cell chlor-alkali plants in operation [1]. Of those there are eight in the United States (US) [2]. In 2003 the EPA reported in the Federal Register that on average approximately seven tons of mercury
Be careful when downloading free programs, especially popular music and media sharing programs. Read all software licensing agreements carefully to understand what you're agreeing to install on your computer. Many popular applications include spyware components, and some of these applications won't work when these components are removed.
Ingestion of a single leaf of the plant can be fatal to an adult. [61] Casual contact with the leaves can cause skin pustules. The berries pose the greatest danger to children because they look attractive and have a somewhat sweet taste. [66] The consumption of two to five berries by children and ten to twenty berries by adults can be lethal.
“Personally, if I had to choose being bitten by a newborn copperhead or an adult, I would choose a newborn because of the potentially much smaller quantity of venom.” Bites are rarely fatal.