Answer in one wordThe chemicals which are sprinkled in the field to keep the crop safe from pests.​

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Calculate the number of molecules present in 0.750 mol of mgo.