What does it mean when a paper says fill in the flowchart below on the first four levels of classification that leads to the class belonging to sharks and rays? I need the answer now because my teacher is collecting our homework.

it means classify what those are and which they fit in like sharks are classified and a species of fish

Explanation:

hope it helps

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high