What helps identify cell types

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Compare the composition of the moon's surface with the composition of the earth's surface.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms