What is the phenotype ratio for this cross?

the answer is B) three long one and one short one because the three of them  are tall for example (Ll,LL,Ll,) the short one  was the parents are genetypes is  wyhen father mother ting is  the shirt one is (ll)

i hope this helps mark me as brainlest ?)

they deliver oxygen to the blood

b. the carbon cycle ensures living things have a source of hydrogen