Question

1.What type of wave requires a medium to travel? 2.What type of wave can travel through space?

(science)

Answer 1

I can't remember exactly but I'm pretty sure it's radioactive waves or radiation waves. ( pretty sure they're close to the same thing)

Step-by-step explanation:

I apologize if this answer was incorrect.

Hope it helped anyways!

Answer 2

mechanical waves

Step-by-step explanation: