Sc or insta now. jkjk

Are the layers of rock above and below the coal older or younger?

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall

Do fish feel pain? and if they do what pain