Which of the following is the building block of silicate minerals? a. silica chain b. silica dodecahedron c. silica ring d. silica tetrahedron

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

The answer is a for sure

The answer is ocho because ocho is 8

The answer would be c.