Which best describes the current thinking about stress response and the immune system? a. chronic stressors enhance long-term immune responses, but short-term stressors create immunosuppression. b. both chronic and short-term stressors impair the immune system. c. neither chronic nor short-term stressors impair the immune s?

a. possible errors

d. new questions

explanation:

predictions and planning happen before. a summery comes after. errors you get after investigation and new questions propose what you can look for in the future.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%