Which country forms the border of southern egypt?

Sudan

Egypt has coastlines on the Mediterranean Sea, the River Nile, and the Red Sea. Egypt borders Libya to the west, the Gaza Strip to the northeast, Israel to the east and Sudan to the south.

Explanation:

one of these is the rhoticity common in most american accents, because in the 17th century, when english was brought to the americas, most english in england was also rhotic.

d.

the northwest territory became the most densely populated area in the u.s.