Answer:
Karl Friedrich
Explanation:
Other definitions for gauss that I've seen before include "Physicist" , German mathematician, "Karl Friedrich"
The answer to this question is 24 hours.
On average, people only remember 10 - 20% information that we receive without conciously making an effort to remember it.
After 24 hours, the memory does not necessarily gone, but only stored in our subconcious level wouldn't be able to be retrieved in normal circumtances.
I believe the answer is: Social grooming
Social grooming refers to the tendency among certain types of living organisms to maintain our physical appearance.
In evolutionary stand point, humans and animals tend to maintain our physical appearance because it might perceive as an indicator of hygiene and good health, which will increase our likelihood to obtain mates.