Which of the following is the only gene that is expressed equally between cancer cells and normal cells in stomach tissue? *
1 poin
CSN2
GAST
BRCA1
SCGB3A2

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

i think the miocene epoch spans the time from 23 million to 12 million years ago.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

youre right there are