How can the colombian exchange be considered a tsunami of unintentional bio-terrorism?

Compare and contrast between mitigation and adaptation responses to climate change. this is for my environmental science class. i need 200 words by tonight.

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.

"[because of the emancipation proclamation] the condition of things [became] … unsettled, revolutionary, with nothing clearly defined, neither slave nor slaveholder having any rights which they felt bound mutually to respect … slave property in the state of missouri was almost a dead weight to the owner; he could not sell because there were no buyers."—h.c. bruce, a former slave in missouri what does this excerpt suggest about the effects of the emancipation proclamation? a. it also undermined slavery in the border states despite not being in effect there.b. it caused complete disintegration of southern society in the states that seceded.c. it led to slave owners not even trying to stop their slaves from leaving the farms.d. it prevented riots or chaos as both owners and slaves simply ignored each other.