they arn't
it is harmful...affects human health!
i dont kow
Yes, bone dust can be toxic and harmful to human health if inhaled or ingested in large amounts. It can contain harmful substances such as lead and other heavy metals that can cause health problems. It is important to take precautions when working with bone dust to prevent exposure.
A material that can be harmful if not properly disposed of is hazardous.
No, iPods are not radioactive. They do not emit radiation that could be harmful to human health.
Food is essential to human life and health. All humans should have access to a variety of foodstuffs that contain the vitamins and minerals essential for human health. But too much food is harmful to humans and every effort should be made to avoid the possibility of food impacting negatively on human health.
Schist itself is not directly harmful to human life. However, prolonged exposure to certain minerals found in schist, such as asbestos, can be harmful to human health. It is important to take precautions when working with schist to minimize exposure to harmful substances.
Some bacteria are beneficial to humans, and some bacteria are harmful to humans.
Radon gas.
hazardous wastes
hazardous wastes