Convergent evolution - explain in detail why a opossum would have opposable thumbs, which is a character found among primates, yet opossums are not closely related to primates. They are classified separately. When comparing opposable thumbs among
opossums and spider monkeys, how might you describe this trait? Thank you

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?