It should be D ;) hope this helped
The earliest start time rule "compares the finish times for all immediate predecessors of an activity".
<u>Option: B</u>
<u>Explanation:</u>
The equation used only to measure Early Start and Early Finish dates:
Early Start of Operation = Predecessor Early Finish operation + 1.
Early Activity End = Period of Activity + Early Activity Start - 1.
The above given terms are basically dependent on how early a project or an operation may start by having all necessary element like how early a task can be started in given time duration. In same how early a work can be finished in business or another sector with in a given time duration. This helps to calculate a millage of a work performed.
There are many factors which contribute to the growth in population. Some could be, but not limited to:
- Enhancement in Technology. Medical care and food. Meaning G/S increases. Production increases.
- Discovery of new vaccinations.
- Clean water.
People in general are becoming healthier, due to these.
People are also becoming smarter. Learning more about what they should and shouldn't do. Think about the what wiped the Ancient Romans. The lack of knowledge "lead" to their distinction. See what I did there? lol