Global biogeochemical cycles are critical to life, most notably those of water, oxygen, carbon, nitrogen and phosphorus. 1  The nitrogen cycle is the transformation of nitrogen and nitrogen-containing compounds in nature. 2  The water cycle, is the continuous movement of water on, above, and below the surface of the Earth.
Blunted affect refers to a reduction in the intensity of an individual's emotional response. The emotional response of an individual with blunted affect is a lot weaker than one would expect in similar circumstances.
Definition of blunt for English Language Learners : having a thick edge or point : not sharp : saying or expressing something in a very direct way that may upset some people