Consider the following statements with reference to Mid-latitude deciduous forests : 1. Mid-latitude deciduous forests consist largely of trees that drop their leaves during the summer season. 2. Mid-latitude deciduous forests are native to eastern North America and Western Europe. 3. In Asia, the Mid-latitude deciduous forests occur as a belt between the boreal forest to the north and steppe lands to the south. 4. Beech, Hickory and Walnut are common examples of trees found in Mid-latitude deciduous forests. Which of the statements given above are correct ?