(18 points) which of these groups of animals is endangered? (a) dinosaurs (b) killer whales (c) mice (d) komodo dragon i did the research on this one and both the killer whales and the komodo dragon are endangered, but i can't really tell which one is the answer.

Fredrick griffith made a scientific discovery in 1928

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.