Examlex
Which of the following most often causes a chronic lung infection in patients with cystic fibrosis?
Sandstone
A sedimentary rock composed mainly of sand-sized minerals or rock grains, often used in construction due to its durability.
Conglomerate
A coarse-grained sedimentary rock composed of rounded clasts bonded together by a matrix of finer-grained particles and cement.
Breccia
A rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix, often found in volcanic or sedimentary contexts.
Clasts
Fragments of geological detritus or material broken off from a larger solid body, often found within sedimentary rocks.
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