Sentences with phrase «seasonal fluctuations caused»
Not exact matches
The seasonal fluctuation is caused by variations in uptake of carbon dioxide by land plants.
http://www.antarcticglaciers.org/
He also performed an extensive analysis of over 20,000 samples of dairy products sent to him at two - week or four - week intervals from all over the world and created charts of the seasonal fluctuation of the amounts of fat - soluble vitamins in the butter and found that in each district, the government records for pneumonia and heart disease showed a pattern inversely associated with the fat - soluble vitamin content, which was one of many pieces of evidence supporting his theory that tooth decay and other degenerative diseases shared a common nutritional cause.
Unemployment can be caused by people changing jobs, by seasonal fluctuations in demand, by changes in the skills needed by employers, or by cyclical fluctuations in the level of national spending.
The fluctuations in the CO2 curve (top) reflect seasonal changes in photosynthetic activity, which cause small differences between summer and winter concentrations of CO2.
The seasonal fluctuations are caused by plant - based photosynthetic activity.