nehézfémeknél

Nehézfémeknél is a Hungarian term that translates to "heavy metals" in English. This term refers to a group of metallic elements that are characterized by their high density and atomic weight. While the exact definition can vary slightly depending on the context, generally, elements with an atomic mass greater than 40 are considered heavy metals. Common examples include lead, mercury, cadmium, arsenic, chromium, and nickel.

These metals are naturally occurring in the Earth's crust. However, human activities such as mining, industrial processes, and the burning of fossil fuels have significantly increased their presence in the environment. Nehézfémeknél can enter the environment through various pathways, including air pollution, water contamination, and soil degradation. Once in the environment, they can accumulate in living organisms, including plants and animals, and can move up the food chain, posing risks to ecosystems and human health.

Exposure to nehézfémeknél can have adverse health effects. The specific toxicity varies greatly among different heavy metals, but common concerns include damage to the nervous system, kidneys, liver, and reproductive system. Some heavy metals are also known or suspected carcinogens. Due to their persistence and potential for bioaccumulation, careful management and reduction of nehézfémeknél pollution are important for environmental protection and public health.