Who was Alfred Werner? What does sea floor spreading have to do with plate tectonics?

343^x = 49^4-xx = 4-xx+x=42x = 4x = 4/2x = 2therefore x = 2

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion