Explanation:
Submerged
Completely covered with a liquid.
Forlorn
Abandoned or deserted.
Canals
Artificial waterways for transportation or irrigation.
Immense
Very large.
Atmosphere
The gas surrounding the earth; the air.
Mosaic
Made of many small pieces of colored glass or stone.
Simile
This compares two apparently unlike things using the words like or as.
The soldiers carried which ever flag belong to their countries
When writing a text book, it would be necessary to create a step-by-step situation in reference to an instruction manual or handbook. You may need to include cross references as well as a bibliographical index. This type of writing would require a slow pace in order to ensure accuracy and thoroughness of the topic at hand.
Answer:
End of 19th century into 20th
Explanation: