I am not sure the question you are to ask, but there are many things that are hazardous and dangerous to human health.
YES
No, pure water is not dangerous for human consumption. In fact, it is essential for maintaining good health and hydration.
Yes, mold in HVAC systems can be dangerous to human health as it can release spores and toxins that can cause respiratory issues and other health problems when inhaled. Regular maintenance and cleaning of HVAC systems can help prevent mold growth and protect human health.
Ultra pure water is not dangerous for human consumption. It is safe to drink and does not pose any health risks.
yes and that is kind of disgusting. Feces is human waste and filled with harmful bacteria. It is very bad for you health.
Yes, lead water pipes can be dangerous for human health because lead can leach into the water supply, leading to potential lead poisoning which can have serious health effects, especially in children and pregnant women. It is important to test and replace lead pipes to ensure safe drinking water.
Cat hair itself is not typically dangerous to human health. However, some people may be allergic to cat hair and dander, which can cause symptoms such as sneezing, itching, and difficulty breathing. Additionally, cat hair can carry allergens, bacteria, and parasites that may pose a risk to human health if not properly managed through regular cleaning and maintenance.
I could not find any.
spreading pesticides with planes
Yes, lead pipes can be dangerous for human health as they can leach lead into drinking water, which can lead to serious health issues, especially in children and pregnant women. It is recommended to replace lead pipes in homes to prevent potential harm and ensure safe drinking water.
Loud noise, especially over a long time, can cause deafness or impaired hearing.
Cat hairs themselves are not typically dangerous to human health. However, some people may be allergic to cat dander, which can cause symptoms such as sneezing, itching, and difficulty breathing. It is important to keep a clean environment and groom your cat regularly to minimize exposure to dander.