Atrait is said to exhibit dominance when the phenotype of a heterozygous individual is intermediate between the phenotypes of individuals who are homozygous dominant and individuals who are homozygous recessive.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

answer: zinc is the substance which has a volume of 1.38 .

density is defined as the mass of an object per unit volume.

it can be calculated by dividing mass of a substance by its volume i.e.

si unit of density is kg per cubic meter and cgs unit of the same is gram per cubic centimeter.

now from the given data volume can be calculated by the formula .

hence, the volume of aluminium will be = which comes out to be 1.703 .

similarly, volume of zinc, chromium, and nickel will be 1.378 , 0.869 , and 0.356 respectively.