Regions of the sea floor with positive magnetic anomalies were found during times when earths magnetic field (plz me fill in the blank)

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs