What is the correct order of structures in a chromosome from smallest to largest?

Which of the following would most likely be key to gathering evidence that the rna world hypothesis is valid? creation of suitable environments for long-term study of single-celled organisms simulation of early earth conditions and long-term study of the resulting molecules development of a system for studying the microsphere's ability to absorb additional molecules categorization of the different specific conditions that result in the development of microspheres

Are the layers of rock above and below the coal older or younger?

What is the most important inorganic material for livings things? ! due tomorrow!