This type of rock is called breccia. You may have seen it before. It looks like a ton of random rocks squished together. These types of rocks are sedimentary because they are made up of fragments of other rocks that were basically sealed together, so they are technically made of sediments. The word <u>clastic</u> means the rock is made up of pieces of preexisting rock.
The difference between a mineral and a rock is (C) A rock is generally made up of an aggregate of minerals, but this is not a requirement. Rocks can also be made up of non-mineral matter.
