Why were ancestors so important to the incas?

The Incas believed that gods, spirits, and long-dead ancestors could be manifested on earth in the form of natural features such as mountain peaks (apu), rivers, springs, caves, rocky outcrops, and even peculiar shaped stones

Explanation:

The Incas believed that gods, spirits, and long-dead ancestors could be manifested on earth in the form of natural features such as mountain peaks (apu), rivers, springs, caves, rocky outcrops, and even peculiar shaped stones.

where are the statements?

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering