What is the chemical formula for popcorn?

In which situation can a mixture always be called a solution

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 ?

How might this scientific phenomena be explained? a paper clip floats on water.