The stressor that causes the most stress is

money

Explanation:

money is many american's top worry,ranking higher than health,family and work,according to a recent report from Blackrock

I would say D. depends on the person

Explanation:

You cant say any one thing causes the most stress, because that would be an opinion and everyone is different. For example your friend might be stressed or scared to speak infront of people but you might not mind it. Therefore it all dependes on the person.

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary