An atom's nucleus contains three protons and three neutrons. What is the overall charge of the nucleus?
A. +3
B. +6
C. -3
D. 0

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

Long term exposure to waves can cause sunburns and skin cancer.

What advantages does a pedigree have over a written passage?