How many molecules are there in 23 g of Pb(CN),?

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Which statement best describes the flow of energy in this scenario

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 ?