how does layer b compare with layer w?\na) only shells, ammonites, and fish lived during this time…

how does layer b compare with layer w?\na) only shells, ammonites, and fish lived during this time period.\nb) only mammals, trilobites and plants lived during this time period\nc) only plants, mammals, and dinosaurs lived during this time period\nd) only dinosaurs lived during this time period
Answer
Answer:
There is not enough information in the provided text to determine the answer. The question asks about comparing layer B and layer W but no details about the contents of these layers or the time - periods associated with them are given to evaluate the options.
Explanation:
No data about layers B and W is present to assess which organisms lived during the relevant time - periods described in the options.