Both are correct! One’s a more compact way of saying things. I personally enjoy using one. Then I have an idea for my comment.

My favorite foods are apples and pears. I can not stand them, like eating raisins.

I like apples and pears.

Sound waves travel faster in gases than liquids.

Sound waves can travel faster in liquids than in gaseous liquids. The frequency of sound waves is about 1 Hz.

Assuming we have the highest bandwidths (within of 50

kHz) sound waves, it is faster than that of gas, liquid or gas.