D he worked writing books and inheriting money but also ran a plantation so thats why I think thats the answer.
Sugar
Sugar was the main crop produced on plantations in the 1500s Americas. Columbus had opened the way for Spanish explorers who came to the America. Sugar mill construction ignited development of the technological skills needed for an emerging industrial revolution in the early 17th century
Answer: C aka the 3rd one
Explanation:
Because it is important to know the composition of the object
Density is the ratio of the mass of a sample to the volume occupied by that mass, and expresses how much mass there is per unit volume of a given portion of matter. Density is a physical property of extreme importance in the characterization, identification and use of substances or materials.