Which object in nature show fast motion, which object in nature show slow motion

Tropical climate is experienced in the nothern countries of south america

Answerwill have thinner; have thicker oceanic sediments;

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