Fossils of tropical plants are found in Antartica
1. charging an official with a misdeed (a crime): impeachment
2. chosen; appointed (suggest someone for an election, job): nominated
3. to improve; to change: to make into a better quality: amended
4. reverse; change to the opposite position: overturn
5. whether the law or act is constitutional: constitutionality
6. court determination of constitutionality of laws passed: judicial review
The action or activity of gathering information about consumers' needs and preferences