Respuesta :
the following three things can wipe out a water bear (AKA: tardigrade)
1.A nearby star goes supernova and sends deadly radiation pummeling toward Earth
2.A gamma ray burst from an unknown origin fries Earth
3.Asteroid impact
1.A nearby star goes supernova and sends deadly radiation pummeling toward Earth
2.A gamma ray burst from an unknown origin fries Earth
3.Asteroid impact
Answer:
Had to do a little research-
1. A nearby star goes supernova and sends deadly radiation pummeling toward Earth
2. A gamma ray burst from an unknown origin fries Earth
3. Asteroid colliding with the earth's surface