Students test a bottle rocket launcher. When the bottle is pressed, air from the bottle launches the rocket into the air. The diagram shows the three designs and the heights the rockets reach. What part of the design are the students testing?

bottle size

bottle size

length of tube X

length of tube X

shape of the rocket

shape of the rocket

locations of tubes Y and Z

Social darwinism applies what theory to human society

Which examples are relevant sources for students to use in research? check all that apply. a journal entry written by a professor who is considered an expert a report written by an independent government source a presentation by a company that includes paid information a document published by a renowned organization a scientific paper put out by a non-profit organization a blog whose author tries to sell a product or service

Resocialization, or adopting new norms and patterns of behavior, happens frequently in which of these situations? ✓ the military public schools knitting groups x all of the above