How did we know that the afterlife was important to the ancient egyptians

In order to accurately determine absolute time, you need to know which of the following?

During jefferson's administration, which of the following represented his tenure? a) he believed the power of his gov depended upon his popularity b) jefferson thought that the strength of his government depended its use if force c) she refused to add territory to the u. s without approval of the states. d) jefferson though of “hands off” approach to the states and less power in the cen. gov. would benefit the nation

Is it true the ancient egyptians created a calendar that had 10 days in a week