Name a certain rock contains large, jagged pieces of other rocks, cemented fine particles. what type of rock is this ?

b i think it’s a water wheel turning in a stream

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume