The plants can grow with out being disturbed by the pests and it doubles the harvest also when the plants produce seeds the seeds will contain the pest-resistant genes so you can grow more plants that contain it<span />
A balance of organic and inorganic materials
B. they are single molecules...
Answer
a balance and a graduated cylinder
Explanation
Density is mass per unit and it is property characteristic of a substance. The arrangement of the mass of atoms and their size is what determines the the density of a substance.
For a student to measure the density of seawater he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample and then a graduated cylinder to determine the volume.
