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All parts of the Biohazard sign can be drawn with a compass and ruler. The basic outline of the symbol is a plain trefoil, which is three circles overlapping each other equally like in a triple venn diagram with the overlapping parts erased. Reason
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
The sign is commonly referred to as a radioactivity warning sign, but it is actually a warning sign of ionizing radiation. Ionizing radiation is a much broader category than radioactivity alone, as many non-radioactive sources also emit potentially dangerous levels of ionizing radiation.
A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism , virus or toxin that can adversely affect human health .
AMSTERDAM (Reuters) -The head of the chemical weapons watchdog said on Thursday he would ask Syria's new leaders to grant investigators access to the country to continue work identifying ...
President-elect Donald Trump repeated numerous false claims during an interview that aired Sunday on NBC’s “Meet the Press” – including his old lie that the US is the world’s only ...
MILWAUKEE — The teacher and the student killed in the tragic shooting at a Madison, Wisconsin, private school were identified by a medical examiner's office on Wednesday.
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