Which of the following is NOT something plant and animal cells have in common? A. They are both multicellular (made up of many cells)
B. They are both eukaryotes (more complex cells)
C. They both have chloroplasts and make their own food
D. They both have cell membranes

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

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.

What are the two major rules associated with polarity