HELP ON 6th GRAD SCIENCE ASAP PLZ RN THX

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

Ineed to know why d is the correct answer asap

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture