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Final answer:While both granite and gabbro are types of igneous rocks, they are not similar in either composition or texture. Granite is a felsic rock, making up the majority of Earth's continental crust, while gabbro is a mafic rock, rich in magnesium and iron.Explanation:Granite and gabbroare both types of igneous rocks. However, they are different in both composition and texture. Granite is a type of felsic rock, meaning it is rich in silicate minerals and makes up the majority of Earth's continental crust. It is typically light in color due to its mineral composition.On the other hand, gabbro is a mafic rock, meaning it is rich in magnesium and iron, and usually darker in color. Despite these differences, both types are formed from the cooling of magma or lava which gives them each a unique texture.Therefore, the correct answer to your question is d) Granite and gabbro are in no way similar, as they differ in both composition and texture.Learn more about Granite and Gabbro here:brainly.com/question/29360431#SPJ11...