I think this question is very dependent on who you ask personally I dont think its dying out but I definitely think it's less of a key aspect of society then it ever was. I think this because being apart of the the younger generation we have been taught to question everything, and religion doesn't always have the answers nor does it line up with alot of morals that people have.
i don't know this is just my opinion I hope it helps!!
D. Greenhouse gas feddback
I'm not for sure but I believe this is the answer sorry if I get it wrong in advance
B. Their remote location has kept out invaders.
They release carbon dioxide for photosynthesis.
The producers synthesize their food through photosynthesis using energy from sunlight and carbon dioxide from the air.
Hope this helped :)
Have a great day