In each question below, a sentence is given, divided into five parts (1, 2, 3, 4, 5) which when rearranged will form a logical and coherent sentence. One of the parts does not belong to the sentence. Identify the part that does not belong and rearrange the remaining parts to form a meaningful sentence. Choose the correct arrangement.  1. significantly hindering the ability of calcifying organisms like corals and mollusks to construct their protective exoskeletons   ​2. the continuous absorption of anthropogenic carbon dioxide emissions by the world's vast oceanic bodies   ​3. advanced cryptographic networks utilize decentralized ledgers to eliminate the need for traditional financial intermediaries   ​4. ultimately threatening the foundational base of the marine food web and jeopardizing global fisheries   ​5. triggers a complex chemical reaction that steadily increases the overall acidity of the marine environment