LONDON/WASHINGTON (Reuters) - Growth in much of the world's service sector was anemic in July as firms around the world worried about the debt crisis in Europe and the U.S. as a well as slowing consumer demand, business surveys showed on Wednesday. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=r0hURMC_Gxg:Zac4MgMvVqw:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=r0hURMC_Gxg:Zac4MgMvVqw:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/r0hURMC_Gxg)