Why do people like music about sex drugs and money?

How did ancient civilizations develope its agriculture and protect its population

Which of the following statements proves that scientific knowledge changed due to the discovery of the fossil of a hadrosaur in north dakota? hadrosaurs were better runners than earlier thought. hadrosaurs had no pattern on their skin as expected. the length of the hadrosaur was shorter than previously thought. the muscular structure of hadrosaurs was less developed than expected.

What did mendels cross pollination of pea plant prove