It would be "house is what" because "is" would need to be changed to "are".
A)the hairs on the mans head continues to grow.
B) we had a fundraiser to raise money for the needy children.
C)the sun helps the plants grow.
D) cows are an important breed.
E) the lady brings up her child the right way
F)the lady has a breed the dogs
An adjective describes a noun, so, it tells more about it. An adjective tells<span> which one, what kind, or how many. </span>