Why is MgO2 (Magnesium oxide) NOT considered a salt? a Oxygen is not a Halogen from group 17 b Magnesium is not a metal c It is not sodium chloride (NaCl) d Magnesium is not bonded to Chlorine

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?