Which best explains why mammals became dominant after the mass extinction of the dinosaurs? A) They had traits that helped them adapt to environmental changes.
B
They were larger than dinosaurs and ate different foods.
They lived in different areas on Earth than dinosaurs.
D They were able to hibernate for thousands of years.
PLEASE HELP

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?