What’s the meaning of 00a0“wax and wane” ?

As time went on, so their hopes began to wane. A: give away B: pass away C: flow away D: fade away

Either of the flowers will wither soon without water. A: diminish B: dry up C: die D: wane

Blossom is to bloom as______ . () A: fruit is to tree B: quiver is to vibrate C: run is to hide D: fast is to slow E: wax is to wane

It's natural for our passions to wax and wane as we move from one interest and level of experience to another. A: ebb and flow B: chop and change C: forgive and forget D: toss and turn

Our<br/>heavy dependence on the automobile has __<br/>us of our valuable experience of walking. A: dip B: rife C: accord D: comply E: equanimity F: wane G: robbed H: screwed I: sat J: fork