You get into a disagreement with a friend of yours who believes that the earl always looked the same, and that the continents have always been separated from each other.
Being an excellent science student, you remember that you learned about Wegner and his
theory of continental drift

Why do cells appear different in distilled water than they do in 10% salt water?

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.