According to some astronomers, Earth is struck by a meteorite large enough to cause an ice age on an average of once ...

zarin on July 2, 2020

Can someone explain why A is wrong please?

Emil-Kunkin on December 20 at 07:31PM

The author doesn't recommend action on the basis that only a high probability has been established. Not only has the author failed to establish that there is a high probability, this wouldn't even be a flaw if the author had. If there was a 70 percent chance of a disaster, taking bold action would absolutely be warranted.