Three of the options below are related by a common association (reactive oxygen species), select the exception.

O a catalase

O b. superoxide dismutases

O c. permeases

O d. peroxidases

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.