Which of these may be longitudinal or traverse a: seismic wave b: microwave c: radio waves d: sound waves

The answer to your question is,

A: seismic waves -- they could be both longitudinal or traverse..

D: Sound waves -- they can both be transmitted longitudinal or traverse.

(C: Radio waves is only transverse..)

-Mabel <3

neither accurate nor precise.

not too sure thinking all accelerations are pointed down