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A toxin is a poisonous substance produced within living cells or organisms, such as bacteria, plants, or animals. It is capable of causing disease or health issues when it enters body tissues through ingestion, inhalation, or absorption.

A chemical substance used to kill or control pests that are harmful to crops, livestock, or humans. It is an umbrella term that includes insecticides, herbicides, and fungicides used widely in agriculture and gardening.

A chemical or natural substance added to soil or land to increase its fertility and provide essential nutrients for plant growth. It is primarily used in gardening and agriculture to help crops develop faster and produce higher yields.

To supply land or crops with water through man-made systems such as pipes, ditches, or sprinklers. It is an essential agricultural process used to assist in the growth of plants, especially in areas with low rainfall.

Describing something relating to a large amount of water covering an area that is usually dry, or metaphorically, being overwhelmed by an excessive quantity of something. In common usage, the form 'flooded' is typically used as the adjective to describe this state.

Erosion is the process by which the surface of the earth is worn away by natural forces such as water, wind, or ice. In a figurative sense, it refers to the gradual destruction or reduction of something abstract, such as power, rights, or confidence.

The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. It represents a significant environmental challenge where land loses its biological productivity and ability to support human life.

Afforestation is the process of establishing a forest on land that has not recently been covered by trees. It involves planting seeds or saplings to create new wooded areas, often to improve the environment or for commercial timber.

To put someone or something at risk or in a situation where they could be harmed, damaged, or destroyed. In environmental contexts, it specifically refers to species that are at high risk of becoming extinct in the near future.

Extinction is the state or process of a species, family, or larger group being or becoming extinct, meaning it no longer has any living members. It can also refer to the act of making something, such as a fire, a feeling, or a practice, cease to exist.