Send to a Friend

topserb96's avatar

What do you think is most threatening to life on earth?

Asked by topserb96 (131points) March 16th, 2008 from iPhone

out of these and why: super volcano, plague type disease, global warming, robots exterminate humans, or asteroid hitting earth.

Using Fluther

or

Using Email

Separate multiple emails with commas.
We’ll only use these emails for this message.