Concept:Every region has a different house.The type of house depends on the climatic conditions in the region.Houses are built specially to suit the needs of the people.Explanation:A. In Leh (Ladakh) houses are made of stones, have two floors, a ground floor for animals and for storing necessary things, wooden floors, flat roofs - CorrectB. In Manali (Himachal Pradesh) houses are made on bamboo pillars, made of wood and stones - Incorrect.C. In Rajasthan people in rural areas live in a mud houses, with roofs of thorny bushes. - Correct.Hence, we conclude from the above-mentioned points that A and C are correct.Additional InformationDescription of houses of different places:PlaceDescription of house?Manali (Himachal Pradesh)Manali is a hilly area.It rains heavily and snows as well there.The houses are made of stone or wood with slanting roofs.RajasthanRainfall is very scarce in Rajasthan.Houses are made up of mud.The walls of the houses are very thick.These walls are plastered with mud.The roofs are made of thorny bushes. KashmirHouses are made from stone cuts and kept one on top of the other and coated with mud.Some old houses have a special type of window which comes out of the wall. It is called 'dab'.In Srinagar, the 'Donga' houseboat can be seen in Dal Lake and the Jhelum river.From inside it is just like a house with different rooms.LadakhHouses in Leh have two floors.The ground floor has no windows.The ground floor is for animals and for storing necessary things.Wooden steps are used to reach the different floors.The roof is the most important part of their house.During the summer season, people dry many fruits and vegetables on the roof and store them for winters.The houses are made up of stones which are kept one over the other.The walls of these houses are coated with a thick layer of mud and lime.The house looked like a shed from inside with a lot of hay stored there.Thick tree trunks are used to make, a flat strong roof.