[Solved] Use the figure below to answer the following questions. Table 2.3.1 The planets of Vulcan and Romulus each produce goods X and Y. The following table gives points on their production possibilities frontiers. -Refer to Table 2.3.1.For Romulus, the opportunity cost of producing an additional unit of X is A)3/2 units of Y. B)4 units of Y. C)1 unit of Y. D)2 units of Y. E)2/3 units of Y. Phylum: A phylum is a classification level in biological taxonomy that is below kingdom and above class, used to group together organisms that share a basic body plan. Rhyniophyta: An extinct group of early vascular plants from the Silurian and Devonian periods. Megafossils: Larger fossilized remains of organisms, such as bones or plant stems, that are easily visible to the naked eye and provide significant evidence of life from the past. Dichotomously Branched: A branching pattern where each branch divides into two parts at a certain point.