Describe one way you could protect a bicycle from corrosion

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Which of the following units is not an official si unit