Which of the following are not transverse waves?

Question

a) Wind (Airy) waves on the ocean.
b) Water ripples in a small pool.
c) Microwaves inside a microwave oven.
d) Vibrations travelling on the string of a guitar.
e) Radio waves travelling through space.
f) Vibrations travelling on the surface of a drum.
g) Pressure fluctuation waves travelling through air.
h) Sound waves travelling through water.