BRAINLIEST PLS HELP 1. Which of the following is NOT formed by weathering?
A. pavement cracks
B. sedimentary rock
C. fertile soil
D. sandy beaches

2.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)