There are no bolded words available for viewing in this website but I will answer your question correctly. The sentence is very simple, it consists of a simple noun and a simple adjective.
The noun in the sentence is: coral reef
The adjective in the sentence is: very beautiful
Therefore, the answer is that very beautiful directly describes the word of coral reef.
We need to read tbe whole passage to answer this question
This desire to be a part of a group may make us change our behaviors, beliefs and attitudes for the sake of fitting in. We may do things we don’t truly want to (i.e drink alcohol, smoke, etc. You can be peer pressured into pretty much anything) in order to feel like we belong.
<span>Throughout the world, peoples who rely on hunting and gathering for their food possess a rich knowledge of their habitats.
Most false statement is:
</span><span>D."Savages, and very primitive peoples generally, concern themselves only with superficial natural resources; with those which they obtain from the actual surface of the ground."
Contradicting terms. How can people who possesses a rich knowledge of their habitats allow themselves to only be concerned about superficial natural resources? This can't be. They can't help but apply their knowledge and live off natural resources that goes beyond those that are from the actual surface of the ground. </span>