The land around the Nile River delta is known as
a.
Kush.
b.
Upper Egypt.
c.
Lower Egypt.
d.
the Sudan.

C.

Explanation:

Lower Egypt is the northernmost region of Egypt, which consists of the fertile Nile Delta, between Upper Egypt and the Mediterranean Sea — from El Aiyat, south of modern-day Cairo, and Dahshur.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest