What are the substances which are harmful to the environment called?

What are the substances which are harmful to the environment called?

What is Pollution? Pollution is defined as the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effect.

How does harmful materials affect the environment?

Toxic waste can harm people, animals, and plants, whether it ends up in the ground, in streams, or even in the air. Some toxins, such as mercury and lead, persist in the environment for many years and accumulate over time. Humans or wildlife often absorb these toxic substances when they eat fish or other prey.

What does harmful substances in farming mean?

The Agricultural Chemicals Regulation Law (1948) defines agricultural chemicals as “chemical agents such as fungicides and insecticides that are used to control viruses or crop-harming organisms (such as fungi, nematodes, mites, insects, and rodents)[sc:2].” …

What are the effects of hazardous substances?

Possible side effects of exposure to hazardous substances

• poisoning.
• nausea and vomiting.
• headache.
• skin rashes, such as dermatitis.
• chemical burns.
• birth defects.
• disorders of the lung, kidney or liver.
• nervous system disorders.

What is the meaning of harmful substances in food production?

Harmful substance are elements that are dangerous to human health. They are water, fruits, food and drugs that are unfit for human consumption. Examples of harmful substances are: Stale food; this is food that is spoil, food that has stayed old is not fit for the body because it is very harmful to the body.

What are effects of harmful substances in crop production?

Answer: Some of the harm chemical fertilizers may cause include waterway pollution, chemical burn to crops, increased air pollution, acidification of the soil and mineral depletion of the soil.

What you know can help you an introduction to toxic substances?

Since chemicals can be toxic, it is important to understand how they can affect health. To determine the risk of harmful health effects from a substance, you must first know how toxic the substance is; how much, and by what means, a person is exposed; and how sensitive that person is to the substance.

What do you call the introduction of harmful materials into the environment?

Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. pollution | National Geographic Society

Why are some chemicals hazardous to the environment?

Some chemicals are hazardous because of their physical properties: they can explode, burn or react easily with other chemicals. Since gasoline can burn and its vapors can explode, gasoline is also hazardous. A chemical can be toxic, or hazardous, or both. How can toxic substances cause harm?

How does exposure to a toxic substance affect your health?

Exposure to a toxic substance such as gasoline can affect your health. Since drinking gasoline can cause burns, vomiting, diarrhea and, in very large amounts, drowsiness or death, it is toxic. Some chemicals are hazardous because of their physical properties: they can explode, burn or react easily with other chemicals.

How can we protect ourselves from toxic chemicals?

Even though chemicals we use or are exposed to every day can be toxic, you can protect yourself and your family from chemical exposures. No matter how toxic a substance may be, if you are not exposed to the substance, it cannot affect your health. The important rule to remember is: minimize your exposure.