Not exact matches
As the energy output
of the helium fusion process
per unit mass is only about a
tenth the energy output
of the hydrogen process, this stage will only last for about 10
percent of a star's total active lifetime.
It is true that on average, an additional $ 1000 in
per - pupil spending is associated with an annual gain in achievement
of one -
tenth of 1
percent of a standard deviation.
So - called soil respiration has increased about one -
tenth of 1
percent per year since 1989, according to an analysis conducted by PNNL
of past studies published in Nature.