Which of the following is the developing world’s most common cause of preventable brain damage and impaired psychomotor development?
a. vitamin a deficiency
b. iodine deficiency disorder
c. protein-energy malnutrition
d. iron deficiency disorder

What is the importantence of the carbon and nitretan cycles in the environment

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above