Answer:
The region where the rock was discovered was once underwater.
Explanation:
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of small particles and subsequent cementation of mineral or organic particles on the floor of oceans or other bodies of water at the Earth's surface.
The geologist can conclude that covering the water body with sand resulting in the formation of a desert area.
Explanation:
The desert must have been formed because of the change in the land forms over a period of time. Sedimentary rocks with fossils of marine animals are formed in water bodies like lakes, seas, oceans etc. The sedimentary rocks are formed because of the deposition of the sediments carried by water.The weather conditions must have resulted in the water body to drying up.
