1. what is the role of cells in organisms?
2. what is the difference between light microscopy and electron microscopy?
3. describe the size of objects able to be observed in light microscopes.
4. describe the size of objects able to be observed in electron microscopes.
5. what units are cells usually measures in and why?
6. what is the cell theory?
7. how do microscopes to provide evidence for the cell theory?

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Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Due i have no idea on this brainliest to the best answer. case #28104 last month, hudson national bank was robbed by an unidentified man. the robber wore gloves, a hat, and a bandana that covered his face. a security guard attempting to stop the robber was knocked unconscious in a struggle. however, the guard managed to pull the hat from the robber's head. witness accounts and security tapes led police to arrest three possible suspects. none of the suspects have alibis, but police are not certain which man is the robber. using hair samples from the hat recovered by the security guard, the crime lab did a southern blot test. hair samples were also taken from each suspect. use the suspects' hair samples to determine the guilty party. suspect a tccatcca / tccatccatcca / tcca / ggcttacctataagg / tggatggatggatggatgga suspect b tccatcca / tccatccaattg / tcca / tccatccatccatccatcca / tggatggatggatgga suspect c ttagcta / ccggtatga / aggt / cgttatcggatata / ggttaggacctatcgataga probe aggt questions answer these following questions in the essay box below. a. which suspect most likely committed the robbery? b. how do you know?