Thorium-229 is the radioactive substance that gives lantern mantels their eerie glow. the half life of thorium-229 is 7340 years. if one mantel consists of 0.25 grams of thorium, how much thorium will remain after 14,680 years? a) 0.0625g b) 0.125g c) 0.25g d) 1.0g

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer