It means DNA if it's about genes
Answer:
Rebecca is surely going to be diagnosed with Bipolar disorder which is a mental health condition of emotional high and low mood
Explanation:
Bipolar disorder also known as manic depression it's mainly a mental health condition that results in severe mood swings such as high emotional feelings (mania or hypomania) and low emotional feelings (depression).
D. Carbon moved in a cyclic fashion through the atmosphere and living organisms
Nearly every cell in a person's body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
