That is because limestone is a sedimentary rock and the calcite is a carbonate mineral, by logical deduction, the analogy is pretty much describing what the first and third words are.
So, in the end, a limestone is a rock and calcite is a mineral.
I just had this quiz a couple days ago on a school website! the answer is mineral. Since Limestone is a type of rock Calcite is a type of mineral this analogy is item/category
Desktop computers shouldn't need a foldable or split-style keyboard. A wireless keyboard is better than a gaming keyboard cost wise. A 24" LED would be more cost efficient and have good screen resolution.
