The use of biological weapons during military operations has been documented: Beloepure oput orger a. in Afghanistan b. in Vietnam c. in the Falkland Islands d. in China during the second world war e. in Libya The main sources of biological hazard to humans, animals and the environment include: Bbibepure opuH orBer. a. ecopathogens damaging physical objects of the environment b. genetically modified organisms and genetic constructs c everything is correct d. biological and social emergencies e. genetically modified objects After the bioterrorist attack in 2001, the United States began to urgently develop a system of measures including: Bbibepure opuH orger. a. everything is correct b c. creation of computer systems involved in the collection and analysis of information about suspicious diseases d. development of new generation antibiotics e. biological attack early warning system based on a network of meteorological radars f. test systems for detecting various pathogens

The correct answer for the first question is:<br />b. in Vietnam<br /><br />Explanation: The use of biological weapons during military operations has been documented in Vietnam, where the United States military is believed to have used Agent Orange, a herbicide and defoliant chemical, as part of their military operations during the Vietnam War.<br /><br />The correct answer for the second question is:<br />c. everything is correct<br /><br />Explanation: The main sources of biological hazard to humans, animals, and the environment include ecopathogens damaging physical objects of the environment, genetically modified organisms and genetic constructs, biological and social emergencies, and genetically modified objects.<br /><br />The correct answer for the third question is:<br />a. everything is correct<br /><br />Explanation: After the bioterrorist attack in 2001, the United States began to urgently develop a system of measures including the creation of computer systems involved in the collection and analysis of information about suspicious diseases, development of new generation antibiotics, biological attack early warning system based on a network of meteorological radars, and test systems for detecting various pathogens.