Dinosaurs roamed Earth during the Mesozoic era. Since then the climate and vegetation on Earth has changed a lot. What are three ways the climate has changed since the time of the dinosaurs?

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

18. which statement about cancer is true?

What type of graph presents information about how often certain or traits occur?