Which of the following sources is most likely to provide the most scientifically rigorous and accurate information? a non-randomized clinical trial with 15,000 subjects a report on a study presented by a news organization a randomized clinical trial with 15,000 subjects an endorsement of a product by a movie star an epidemiological study with 15,000 subjects

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.