the carbon cycle

noun

1
biologythe movement of carbon between living things and their environment. Carbon dioxide is taken from the atmosphere and used by plants. It then moves from plants eaten as food to animals, and is returned to the atmosphere by the respiration of plants and animals and by the burning of plant material.
Synonyms and related words
Environmental issues
anthropogenic
biodegradable
biohazard
2
astronomya reaction that is believed to produce energy in some stars, in which carbon is used as a catalyst to combine four hydrogen nuclei into one helium nucleus
Synonyms and related words
Chemical reactions and processes
action
adsorb
aerate

单词	the carbon cycle
释义	the carbon cycle noun UK DEFINITIONS2 1 biologythe movement of carbon between living things and their environment. Carbon dioxide is taken from the atmosphere and used by plants. It then moves from plants eaten as food to animals, and is returned to the atmosphere by the respiration of plants and animals and by the burning of plant material. Synonyms and related words Environmental issues anthropogenic biodegradable biohazard 2 astronomya reaction that is believed to produce energy in some stars, in which carbon is used as a catalyst to combine four hydrogen nuclei into one helium nucleus Synonyms and related words Chemical reactions and processes action adsorb aerate the carbon cycle noun US DEFINITIONS2 1 biologythe movement of carbon between living things and their environment. Carbon dioxide is taken from the atmosphere and used by plants. It then moves from plants eaten as food to animals, and is returned to the atmosphere by the respiration of plants and animals and by the burning of plant material. Synonyms and related words Environmental issues anthropogenic biodegradable biohazard 2 astronomya reaction that is believed to produce energy in some stars, in which carbon is used as a catalyst to combine four hydrogen nuclei into one helium nucleus Synonyms and related words Chemical reactions and processes action adsorb aerate
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