B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)
Answer:
it shocks the hearts muscles jolting the heart into working again.
Explanation:
Answer:
virus, bacteria, human cell
Explanation:
Well for starters, producers are living organisms that produce their own food. Like plants. And plants ironically provide us humans with oxygen as they live off of the carbon dioxide we produce. Some plants are also main vegetables that we eat, so put simply, a world without producers would be practically oxygen-less and vegetable-less.