During her ninth grade science class, maricella became interested in genetics for the first time because she was reading about dinosaurs in the book jurassic park. therefore, for an english reading class, maricella asked her teacher if she could write about what it would be like if someone genetically reproduced some kind of super-dinosaur by accident. maricella wrote on this subject, which would have been too abstract for her just two years prior. according to piaget, this shows that maricella had reached the

By writing everything she did, Maricella showed up solid information that demonstrates she reached the Formal operations stage in Piaget's theory two years early.

Explanation:

All right to understand this question we need to analyze the context and the concept.

The formal operation stage in Piaget's theory says that in this stage the subject comprehends abstract topics, they manipulate them in their heads and they conduct inferences based on the analysis. In other words, the subject starts to create associations and get conclusions. this is what Maricella just did by associating one idea with another one and getting a conclusion. this stage is expected to be reached at the age of 12 years old.