Answer:
Physical geography of the Indian subcontinent - B. Flat land with few mountains
The geography of the Indian subcontinent is mostly flat, or relatively flat. For example, the Ganges River Valley is completely flat, while central and Southern India is hilly. There are few mountain ranges, but one of those is the tallest in the world: The Himalayas.
Dry climate in the north - D. Very little land suitable for farming
The climate of the northwest of the Indian subcontinent is very dry and arid, with little precipitation, and very little land suitable for farming, especially in the Indian states of Gujarat and Rajasthan. For this reason, people in these states rely more on livestock and fishing.