A proposed answer to a question about
the natural world.

Maybe on the physical part? i dunno i just guessed plus i really need the points

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

Pretty ssure the answer re her answer is b hope this : )