What is true of a molecule? a) each molecule of a compound have different properties b) all molecules of a compound have the same properties c) all molecules of a compound have 1 type of atom d) each atom of a molecule is the same

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