No, they don't. They don't kill any type of creature.
no but roots can be damageable to them but they do not kill earthworms
Potting mix does not kill earthworms.
Earthworms can only communicate with each other through touching and tasting. They can also feel another worm when it is close to them or next to them. They obviously are not able to speak with each other.
no babys can not kill each other depends
No they do not kill each other becaues they love each other
Yes, because earthworms need wet soil to live. Also, the rocks will cut them.
Iodized salt.
Yes, chlorinated water kills earthworms. The worms in question must breathe through their outer layers. The "skin" needs to be kept moist, but waterlogged, with the consequence that too much of any water -- not just chlorinated -- will kill earthworms.
Yes, based on my own experience, seven dust kills earthworms.2nd Answerer says: I concur.
No
NO. They will kill/eat each other !
no they do not kill each other