Lead: Pb, oxygen: O, and silver: Ag
Hi there!
<u>Answer</u>:
Genes and chromosomes
Explanation:
All cells contain Genetic information (or Dna) which is organised into structures called chromosomes.
Chlorophyll are basically green pigments in Chloroplasts and both are <u>only</u><u> </u><u> </u><u> </u><u> </u>found in plant cells and not all cells
To be honest the answer should be B. Hope this help.
