The correct answer is: D. Sub-alpine and Alpine Forests
Sub-alpine and Alpine forests are found at an altitude of about 1000 m above mean sea level. They are characterized by a cold climate with long, cold winters and short, cool summers. The vegetation in these forests is adapted to the cold climate and includes trees such as fir, spruce, and larch.
Sub-tropical Dry Evergreen Forests are found in areas with a hot, dry climate. The vegetation in these forests is adapted to the dry climate and includes trees such as teak, sal, and bamboo.
Sub-tropical Pine Forests are found in areas with a hot, dry climate. The vegetation in these forests is adapted to the dry climate and includes trees such as pine, cypress, and juniper.
Himalayan Moist Temperate Forests are found in the Himalayas. The vegetation in these forests is adapted to the cool climate and includes trees such as oak, maple, and rhododendron.