The diagrams on the right show how the shape of the active site of an enzyme matches the shape of its substrate molecule, maltose. This enzyme breaks down maltose to two glucose molecules. Explain why this enzyme cannot break down proteins into amino acids.

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:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

not sure what it is