Social rules and guidelines that prescribe appropriate behavior in particular situations are best described as

These are called social norms. They are weaker than rules, but are commonly acceted and if we do not behave according to the norms, we might be judged by the public or even percieved as a less valuable member of the society. Each culture has different norms that shape the bahaviors and customs.

B and E

Explanation:

The reaction time will be too long.

The reaction time will resemble the reaction time for a lower temperature.