I’m just answering for the points lol but your question doesn’t make sense
Islam and Christianity are examples of religions introduced to India from outside countries (a).
Hope this helped :)
Deserts are formed by weathering processes as large variations in temperature between day and night put strains on the rocks which consequently break in pieces. Although rain seldom occurs in deserts, there are occasional downpours that can result in flash floods.
The answer is the second one
Farm land are being lost because companies are using them to build houses over them