Answer:
1 Zinc, 2, Hydrogen, 2 Chlorine
Explanation:
Answer:

point mutation, change within a gene in which one base pair in the DNA sequence is altered. Point mutations are frequently the result of mistakes made during DNA replication, although modification of DNA, such as through exposure to X-rays or to ultraviolet radiation, also can induce point mutations
your answer would be c) iron deficiency
Hypertonic would be the correct answer, there is more solute making the cell let out more water, shrinking the cell, therefore being hypertonic.
Polysaccharide complex sugars
Sugar and phosphate energy source
Electron sharing ionic bonding