The change in breastplates and helmets contribute to decline of the Roman Empire by weakening the the military. It weaken them because the removal of it promote laziness and negligence of training and the such. It also removes the protection against ranged weapons which caused many casualties.
The statement, "Network diagrams illustrate the technical constraints among activities," means the activities are constrained because one activity cannot be started until the predecessors are finished.
Option: B
Explanation:
- Network means an inter connection between various sectors. This type of diagram shows the inter relationship among the sectors. Each activity has a relation with the other activity. Before finishing a particular work it is not possible to start the next work.
- These process is known as technical constraints. That means the system is mechanized in such way that will restrict the inception of further work before the ending of predecessors. Network diagram always proved helpful in describing the connectivity and accessibility among various segments.
Because of wide variations in seasonal and annual precipitation
Answer:
20,000- to 25,000-hour mark
Explanation:
