6. microstructure of the surface in ductile fracture is featured with

a) a smooth crystallographic plane b) beach marks consisting of a lot of striations c) a fibrous pattern with dimples d) clearly visible grains and grain boundaries

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

When two tectonic plates collide and one or both push upwards they also push up the crust,a mountain will for so that will be your answer. hoped this

Ithink this answer here is a or d