![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
If there is a tremendous natural disaster, the effect can be shown by:
A.
. a point interior to the production possibility frontier.
B.
. an outward expansion of the production possibility frontier.
C.
. a movement from one point to another along the production possibility frontier.
D.
. an inward contraction of the production possibility frontier.