The natural greenhouse is a phenomenon that is beneficial as it results in:

A) The maintenance of Earth's temperature
B) A thinning of Earth's atmospheric ozone layer
C) An increase in the amount of carbon dioxide in the Earth's atmosphere
D) The bending of rays of sunlight that penetrate Earth's atmosphere

PLEASE EXPLAIN

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