This is the 13505th most frequent Turkish word.
korunacak
"Korunacak" means "that will be protected" or "to be protected."
Here, 'korunacak' denotes a future passive form, indicating that the artifact is the subject and someone else will carry out the action of preserving it.
Bu antik eser korunacak.
This ancient artifact will be preserved.
In this sentence, 'korunacak' acts as an adjective describing aspects of nature that require protection.
Doğanın korunacak unsurları saymakla bitmez.
The elements of nature that need to be protected are countless.
Here, 'korunacak' is part of the interrogative future passive structure, questioning whether the action of protection will be undertaken.