Find the mass of an object with 30 cm3 and has a density of 2 g/cm3 (input number only) formation of a precipitate

formation of gas (without heat)

color change

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity