Explanation:
Because people who answer first tend to rush their answers and not do a clear explanation, they often get less recognition than the second person, who usually puts more effort into their answer. The example you gave is an example for that, as the second person has an explanation and more words.
A deep ocean current. its is caused by a combination of temperature and salinity driven currents and surface level wind-driven currents.
No, the most healthiest and recommend way to deal with stress is by exercising. (For exp: walking, jogging, interaction, etc...)