YY and Yy would result in a plant with yellow seeds. This is because Y is dominant and yellow seeds would show with a dominant homozygous and a heterozygous. It can't be yy because that would be homozygous recessive
Again :)))))
Calcium oxide:
II II
Ca O ---> CaO
water ---> H₂O
CaO + H₂O -----> Ca(OH)₂
Its most likely B because its Skeleton is its structure (?)