PLEASE HELP!! Which statement describes the first step in soil formation?

A: Small, simple plants begin to grow.
B: Parent rock breaks into smaller pieces.
C: Humus begins to mix with sediment.
D: Organic material starts decomposing.

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Summarize possible ways in which phases of matter could combine to form a solution.