GEOLOGY

Detailed explanation-1: -Biological hazards include: viruses, such as Coronavirus (COVID-19) and Japanese encephalitis. toxins from biological sources. spores.

Detailed explanation-2: -Salmonella is an example of biological hazard.

Detailed explanation-3: -Noroviruses can be found in biohazards like feces or vomit, so take extra precaution in public spaces or in areas that are likely to be contaminated (restrooms, work breakrooms, waiting rooms).

Detailed explanation-4: -Natural and man-made hazards include, for instance, droughts, desertification, floods, fires, earthquakes and dispersion of radioactive gases in the atmosphere. They have significant social, environmental and economic impacts.