It is not a compound word.
Jill left some birdseed on her birdtable. Mark gave his budgie some birdseed. Sally planted a birdseed and six weeks later a Parrot had grown from it. OJ
Birdseed is a mixture not a solution.
Birdseed is usually sold as a mixture of several seeds.
You put birdseed in it. It would be dumb to have a birdfeeder without birdseed.
glue/butter (optional) birdseed, popcicle stick, and a bird
No, building is not a compound word.
-30
The contraction (not a compound word) is doesn't.
Upwards is a compound word.
heterogeneous
No
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband