I belive the answer is all of the above
Answer:
I think
Abiotic natural capital comprises subsoil assets (e.g. fossil fuels, minerals, metals) and abiotic flows.
Biotic natural capital or ecosystem capital consists of ecosystems, which deliver a wide range of valuable services.
Hope this Help!:)
The studies are designed this way b/c it removes the power of suggestion and the double-blind study keeps both researchers and participants in the dark. So this compared to who is receiving the treatment which is relevant b/c it stops the researchers from accidentally overbalancing the study participants, or unintentionally favoring their assessment of the conclusions.
