A. All atoms of all elements are the same size. B. Atoms of different<span> elements always combine in one-one ratios. C. Atoms of the same element are always</span>identical<span>. Which of the following was originally a part of Dalton's atomic theory, but had to be revised about a century ago?</span>
Answer:
Answer would be A, Muscles move your bones
Explanation:
Without the Muscular System, your bones would not be connected properly
D is the correct answer
every other option contains an element
CO because it is the chemical symbol for the element cobalt whereas the rest are compound. H20 is water, CO2 is carbon dioxide and N2 is dinitrogen.