okay hold on, they wont let my answer go through so i'll post this and write it in the comments :)
A) The topic of the paragraph is “Indonesia”.
b) The main idea about the topic is to share some important knowledges and beauty to the people.
c) The beauties of Indonesia, the historical sights, the beautiful things and places in Indonesia helps to explain the main idea.
Hope it helps:)
Endangered, rare would really give people the idea of this problem and the word decline.
How colorful and beautiful