Here's why:

* Tropical Deciduous Forests are characterized by trees that shed their leaves during the dry season to conserve water. Sal and teak are both deciduous trees.

* Location: These forests are found in regions with a distinct dry season, often located in areas with monsoon climates, which is where sal and teak trees thrive.

* Other Characteristics: These forests also have a rich diversity of flora and fauna, including many species of birds, mammals, and reptiles.

Let me know if you have any other questions!