A. Emperor Alexander Severus, who was assassinated by his troops after a defeat.
B. Roman Senade, which accepted some army generals as legitimate emperors.
C. Security of the border, which they were supposed to keep. While the were fighting among themselves, they neglected the defenses of the Emprire, resulting in invasions.
D. Crisis, which ended with the Reforms made by Diocletian.
Answer:
(A). suddenly; gradually
Explanation:
A psychological or mental disorder is a condition that causes impaired mental behaviors and is characterized by unexpected cultural reactions to situations.
In <u>acute onset mental disorders, symptoms occur </u><u>suddenly</u><u>, while in insidious onset mental disorders, symptoms occur </u><u>gradually</u><u>.</u>
Thats a good question my dude
Answer: A large amount of energy is lost at each level, so there has to be a limit on the number of trophic levels.
Explanation:
