Question

click to correct the five capitalization errors. since its completion in 1970, the aswan high dam across the nile river has provided egyptians with electricity as well as protection from floods and droughts.

Explanation:

Proper nouns like names of places and people should be capitalized. "Aswan" is the name of a city, "High Dam" is part of the dam's name, "Nile" is the name of the river, and "Egyptians" refers to the people of Egypt.

Answer:

Since its completion in 1970, the Aswan High Dam across the Nile River has provided Egyptians with electricity as well as protection from floods and droughts.