F the instructor gives you 5 functions of the liver during a lecture, go out and try to find information about more functions (that the instructor didn't mention or perhaps doesn't know). In the end, you may add two more functions of the liver and in the process remember all of them better.
Answer:
The longest time period is eons.
No matter what anyone says you will/are good enough and you will always be good enough no matter what
If the sin 30° = 0.5, then the cos 60° = 0.5