B are primary and C are secondary.
Making guesses, as opposed to the other answers, this is the only one that forges new ideas and doing such will only lead to an illegitimate conclusion/study.
In *nix the logs are usually in /var/log . They're usually restricted to privelidged access. In Windows, the Event Logs
Answer:
food??
Explanation:
if you don't eat food, the acid produced in the stomach will break down the stomach walls instead of the food, giving you ulcers
