How many valence electrons are in an atom with the electron configuration in example a? example a: 1s22s22p63s23p64s24p2 a: 22 b: 2 c: 4 d: 6

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

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