What is the "Heart of Borneo"?

In February 2007, the three governments of Borneo - Brunei, Indonesia and Malaysia - demonstrated their commitment to securing a sustainable future for Borneo's highland rain forest by signing an historical declaration.

The Heart of Borneo Declaration commits the three countries to a common conservation vision to ensure the effective management of forest resources and the creation of a network of protected areas, sustainably-managed forests and land-use zones across the 22 million hectares which constitute the Heart of Borneo - an area which covers almost one third of the whole island.

There's more info on this website: https://wwf.panda.org/discover/knowledge_hub/where_we_work/borneo_forests/about_borneo_forests/declaration/?

Hope this helps! :)

"Borneo, the world's third largest island, accounts for just 1% of the world's land yet holds approximately 6% of global biodiversity in its rich, tropical forests. Its species range from the distinct Bornean orang utans and elephants to the giant pitcher plants and Rafflesia flowers. Yet this diversity is under threat - Borneo has already lost over half its forests, and a third of these disappeared in just the last three decades."

-WWF

Explanation:  Don't copy word for word.

i believe your answer is d)

the answers are b c e