CER compare the relationship between force, mass, and acceleration. PLEASE put the right answer and not some random thing. At least 5 sentences long

Which type of wave can travel without a medium

Anybody wanna ? (picture included? )

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque