Indeed, "artwork And the process of development" would most possible be treated as being a plural noun phrase that can take a plural verb ("present"). The results are very clear: you can find 108 hits for "most of whom have" and none for the rest. Google NGrams gives comparable https://financefeeds.com/bitcoin-price-prediction-algorithms-now-include-bitcoin-solaris-as-the-primary-wealth-building-catalyst-of-2025/