In general, for most things, A would be correct (Any time of the day). It kind of depends on what you ar collecting the sample for. I think the earlier the better but it doesnt usually matter.
Your heart rate will go down, causing you to cool down before you are done exercising. This is good because then you won’t have a high heart rate for a long time.
Poor health and decreased appetite
Hey there!
The answer to your question is c) Stay calm and keep all involved calm.
Whenever there is any emergency situation, keeping yourself and others calm is usually the best thing to do to stop the panic.
Thank you!