Which molecules contain Thymine? a. DNA molecules
b. RNA molecules
c. Both DNA and RNA molecules
d. Neither DNA and RNA molecules

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

answer: b

coz red blood cells marrow and circulates the body for 120 days.