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Upwelling
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Non-essential amino acids
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Hypergolic
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Cirripedia
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Mascarene petrel
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Dormant
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Robot
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Peritonitis
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Angiotensin 2 antagonists
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Fishery resource
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Anticholinergic bronchodilator
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Coriander
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Telematics
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Google AdSense
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Antibodies
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Cross linking
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Mars Odyssey
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Diagnosis
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Sabre tooth tiger
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MBR
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Gravitational power plants
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Constellation of Draco
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Oligonucleotide
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Melt flow index
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Blood group
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Fog
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WYSIWYG
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Lunar Reconnaissance Orbiter
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Osmotic pressure
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Soft base
Senescence
Senescence is the process of biological ageing which occurs following irreversible changes in an organism, leading to death.
It is a physiological process that begins after the maturity phase and results in inevitable progressive deterioration of vital functions: reproduction, motility, immune system, etc.
Senescence can be clearly seen in this old tree. © Matthieu Luna CC by-nc-nd 2.0
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