What are new stars that are found in the spiral arms and formed from recycled dead star material known as? O population Il stars
O red dwarf stars
O population I stars
O brown dwarf stars

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

nucleus

would be most reasonable answer tbh

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.