All of the following are present in both prokaryotic and animal cells except ribosomes

ribosomes

cell wall

cell membrane

Idon’t know how to solve this question

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Hey can you me with this i really need y’all