Please i need help asap. Are the limiting factors abiotic or biotic factors? Explain your answer. no links

Aboy with an extra x chromosome probably has which of the following syndromes?

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

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks