IPCC scientists argue that where possibly dangerous, ...

[ETearle]

IPCC scientists argue that where possibly dangerous, irreversible, or catastrophic events are involved, policy should be based on the __________ __________, which states adverse events should be preempted by action.
 Fill in the blank(s) with correct word

Question 2

A study in Geography often involves:
 a. Where it is.
  b. What it is.
  c. Why it is where it is.
  d. All of the above.
  e. None of the above.

[SVictor]

Answer to Question 1

precautionary principle

Answer to Question 2

D