You could identify a sedimentary rock as a conglomerate because it consists of rounded fragments from pre-existing rocks that are larger than 4 mm. They often are found setting in finer-grained sedimentary matrix rocks. An example of conglomerate rocks are Breccia conglomerates which are rocks that have an angular and rounded clast.
The answer is d because our oceans are our unique features because we have permanent liquid water.
<span>Theres 1,250 in (2013)</span>
