17. Why is learning theory valuable for a dog trainer? O A. A dog trainer can use the principles, knowing they've been tested under
experimental conditions.
O B. It allows the trainer to understand the dog from an anthropomorphic point of view.
O C. It provides a way for trainers to quantify behavior.
O D. It assures that all trainers approach training from the same perspective.

Ihave a question. diplontic animals usually produce both eggs or sperm which are :

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.

1)some people believe that certain drugs such as marijuana should be legalized. do you agree or disagree? 2)what impact might legalization have on forensic science as a field? which drug presents the greatest challenges to forensic science? why?