Frequency of blended droughts and heatwaves has significantly elevated in western U.S. above previous 50 decades Intelligent Vocabulary: related words and phrases Revolving, rotating and spinning birl centrifugal circuit eddy Foucault pendulum go spherical rev revolving rotary rotate rotation spherical and spherical idiom sidespin span swing twiddle twirling twirly wheel http://mortonp147gwl7.blogrelation.com/profile