Which statement is true regarding a diatomic molecule? 7 points
an atom that contains only 2 of the same atom/elements that are chemically
combined
only contains 1 atom/element
2 or more different atom/elements that are chemically combined
a substance that mixes with other substances but retain their physical and chemical
properties

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.