What valuable hardwood is rapidly being cut in the tropical rain forests of malaysia, the philippines, indonesia, and indochina?

Agarwood is the valuable hardwood that is rapidly being cut in the tropical rain forests of malaysia, the philipines, indonesia and indochina. A tropical forest is a tropic ecosystem usually found around the equator. They are common in Asia, Australia, Africa, South America, Central America, Southern Mexico an don many of the Pacific Islands. 

1) noble gases2) by increasing atomic number3) noble gases