Ascientist finds several hundred fish fossils in the desert. this evidence best supports which of the following scientific ideas? a. the fish were left by predatory animals. b. the fish evolved limbs for land movement. c. the area was once covered in water. d. the area was once covered by a glacier.

C.The area was once covered in water.

Explanation:

The fossils are the trace evidences of the previously existing living beings on a particular location. The fossils reveal the type of life forms associated with a particular region, the climate and geographic landform condition associated with the region where the fossils were found.

The fossil of fish in a desert area indicates that the area might be occupied with a water body, which is being wiped out due to desertification.  

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.