In a presentation on measuring mass, one of his classmates states, "Two objects of the same size will always have the same mass." Is this statement correct? Why or why not?

Describe how an electric generator works

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Wich is not standing in the way of astronomers getting a good view of different star