set of waste, sweepings, materials etc.

Transmission of signals through a common code to the transmitter and the receiver.

Make smaller the quantity, the size, the intensity or the importance of a thing.

Reuse something, usually with a different function than the one originally had.

Submit used materials or waste to a process of transformation or use so that they can be used again.

that is able to be preserved or reproduced by its own characteristics

Which is the product of elements of a different nature.

Who has or communicates electricity, or works through it.

Part of the biology that studies the relationships of living beings with each other and with the environment in which they live.

The totality of genes, species and ecosystems of any area on the planet.

It is the total biological content of organisms that inhabit a particular landscape, including its abundance, its frequency, its rarity and its conservation status.