Consider the following statements with reference to Mid-latitude deciduous forests: 1. They consist largely of trees that drop their leaves during the summer season. 2. They are native to eastern North America and Western Europe. 3. In Asia, they 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 there. Which of the statements given above are correct?