Cambridge English: CAE (C1 Advanced) - Ecological Principles & Conservation
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(of an object) able to be broken down by living organisms such as bacteria, which is then safe for the environment
(of natural substances such as oil) unprocessed and in raw form
related to a type of farming in which animals and birds can move around and eat freely, instead of being kept in a limited area
to make decayed leaves, plants, or other organic waste into a mixture that can improve the soil's quality to help plants grow more quickly
to remove unwanted or harmful substances from another substance
to use something once more, usually for a different purpose
someone who makes efforts to protect the environment and wildlife from any type of harm
a feeling of great worry regarding the current and future state of the environment threatened by humans
an area for birds and animals to live and to be protected from dangerous conditions and being hunted
to completely disappear or cease to exist
the process of being destroyed via natural causes
(of an animal, plant, etc.) not having any living members, either due to natural causes, environmental changes, or human activity
the place or area in which certain animals, birds, or plants naturally exist, lives, and grows
an area of grass, trees, or other vegetation in a town or city, intended for public use or environmental benefit
referring to products, actions, or practices that are designed to cause minimal harm to the environment
the practice of preparing and using land for growing crops, especially on a large scale
to cut and collect a crop
a collection of small branches, twigs, and other woody offcuts typically used for fuel or kindling
the solid waste produced by animals
a large woody plant with several main stems emerging from the ground
