The answer to your question is: The factor contributed to the fall of the Han Dynasty Roman empire and Abbasid empire is the invasion of the nomandic people and other colonizers especially that the Rome has expanded and too large.
Answer:
Development is a process that creates growth, progress, positive change
Explanation:
Development is a process that creates growth, progress, positive change or the addition of physical, economic, environmental, social and demographic components.
Answer:
Predict
Explanation:
Professor Larson studies people living in cramped situations. He has observed that immunological functioning is reduced by sleep deprivation caused by this environment. He can Predict that the same would be true in other similar living situations, thus meeting one of the four main goals of psychology.