Question

differentiate between Virtuous and vicious cycle in points

Answer 1

virtuous circle and a vicious circle are both economic terms that shows the effect of certain forces that causes a certain set of events.
This causes and events follow in a loop.
However, in virtuous cycle the results are positive and in a vicious cycle the events are not positive in economic terms. The poverty cycle is a vicious cycle and the creation of able human resource is  a virtuous cycle.

Answer 2

Answer:

Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. Dense montane forests are common at moderate elevations, due to moderate temperatures and high rainfall.