Write the following elements in decreasing order of atomic radius. Li, Cs, K, Rb

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.