Answer:
D. threat; challenge
Explanation:
Anything that causes an organisms stress process to initiate is called a stressor.
Threat is something that can cause us harm or something which we perceive might cause us harm.
A challenge is a threat, if overcome can cause us to grow our personality.
So, a threat is something which we cannot overcome while a challenge is a threat which we perceive can overcome and will be beneficial for us.
Answer:
Poverty decreased across all regions.
Explanation:
It explains how federal courts are structured
Answer:
A market for cats would have had a positive externality.
Because the cats would kill the rats on sight since that is their natural behavior.
However, it is interesting to mention, that the cat's killing has been more of a "mythic" aspect of this story, since it fails to take into account that since the black death was caused by the<em> yersinia pestis</em> bacteria, cats could have been also infected, and since their interactions with humans are greater than rats or fleas, the real outcome could have been totally unexpected.
