Because the more layers the older the rock if it's a big rock it's probably hundreds of years old.
Answer:
Ethnocentric
Explanation:
While conducting a study on marital practices in various cultures, Dr. Ekoba unintentionally uses language that implies that her culture uses the best mating and marriage rituals, while other cultures' practices are deviant or inferior. This reflects an ethnocentric bias in her study.
Ethnocentric meaning Dr Ekoba unintentionally measures the standards of other cultures using her own culture being that it is superior.
Thomas Jefferson did became 3rd president of the U.S.A
The answer is True.
The answer is B, because all of the others include either lying, or failing to be trustworthy. In B, you say you will babysit, and you follow through, and you babysit, just as you said.