Which method would be best to separate a mixture of oil and water?

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?

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

8. medical asepsis describes a condition that is sterile, or involving infection. sterile, or free from infection. contaminated, or involving infection. contaminated, or free from infection