Yes, it is spontaneous since the reaction is endothermic.
The frequency of a wave represents B. the number of wave cycles that pass through a specific point within a given time.
The distance between two consecutive crests and the length of a wave are the <em>wavelength</em>.
The distance between the highest and lowest points of a wave is <em>twice the amplitude</em>.
The rising acidity of ocean waters due to increased levels of atmospheric CO2 will have profound adverse effects on sea life,
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