Please somebody help will mark ​

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Which food could be transported in a galvanized metal container?