Answer:India, Australia,south Africa,south America and Antarctica
Explanation:
Megadiverse means a lot of biodiversity. Mega = a lot
Diversity = variation
Igneous rocks, I'm not sure on all of the details about them. I hope that helps though!
https://study.com/academy/lesson/how-geography-isolated-ancient-china.html
That video will explain everything. I have already learned this in school, and it is very important on the test. VERY IMPORTANT.
u have to mark how high they are im guessing try that