PLEASE HELP ME!! Reference the reference card at the top of this section. Was South China closer
to or further away from polar ice today or 306 million years ago during the
Carboniferous period? *

Ok cool

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