Answer:
Modern birds descended from a group of two-legged dinosaurs known as theropods, whose members include the towering Tyrannosaurus rex and the smaller velociraptors.
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B. The fight for rights helped create more easy access places for people with disabilities, hence why we have elevators, handicapped parking, etc
I know that this isn't what you're looking for, but the answer is not B. The rebellion brought about a decline in race-based slavery. I know because I took the quiz.
Very smooth surfaces such as glass mirrors and polished metals
<span>There are such great differences in the wages and salaries paid to different people because a worker's human capital is the greatest determinant of his or her wage or salary. Each person's human capital is valued according to the amount of education and training that person had throughout their life. So it is only natural that a person with two PhDs should have a higher salary that those who've only finished high school. </span>