B.) change "have" to "has"
The rock formations in the Rocky Mountains and Great plains is said to be different yet have similar amounts of certain minerals because the rock of Rocky Mountains is igneous rock while the rock of the Great Plains is sedimentary.When sediment is firmly pressed and cemented together, it leads to formation of sedimentary rock but when Magma cools it form igneous rock when it's hardens
<em>M</em><em>A</em><em>R</em><em>K</em><em> </em><em>M</em><em>E</em><em> </em><em>A</em><em>S</em><em> </em><em>A</em><em> </em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>I</em><em>E</em><em>S</em><em>T</em>
The subject would be that marcy likes goldfish, therefore, the goldfish is a noun
The main clause is "Chris's chief interest was tennis".
The subordinate clause is "Which he was just learning to play" and it is an adjective clause because it describes what the "tennis" was like. Tennis is an object and this subordinate clause further describes that it is the tennis that he was trying to learn.
Some synonyms for said are : Added, stated, recalled, spoken, repeated, called, and declared.