Science Fill in a word that correctly completes the paragraph.

Isabelle visits Ashfall Fossil Beds State Historical Park in Nebraska. She sees the sites where paleontologists discovered the remains of many extinct species.

Paleontologists study ancient organisms. Over millions of years, sediment hardens into rock and preserves remains of living things. A is the impression that an organism or part of an organism leaves in rock.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

i think its a.

an ugly duckling is teased by the other ducklings. when she grows up, however, the ducklings discover that she is a beautiful swan