1. Mosses are some of the first organisms to colonise rocks 2. Mosses decompose rocks making the substrate suitable for the growth of higher plants. 3. Mosses form dense mats on the soil, they reduce the impact of falling rain and prevent soil erosion. Regarding 1,2 and 3:

Question

( a ) 1 is incorrect; 2 and 3 are correct
( b ) All are correct
( c ) 2 is incorrect; 1 and 3 are correct
( d ) 3 is incorrect; 1 and 2 are correct