Acell is placed in a water solution with the same salt concentration as the cell. the cell is placed in a hypotonic solution hypertonic solution isotonic solution

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Which statement explains how gravity and intertia work together