11 points + plz no spam plz, 5 questions
(i'm lpslazycat on animal jam if ur wondering =w=) there might be more so check my profile when ur done for any questions that are new for u to answer uwu

clay is the answer because as mass increases the inertia also increases so clay is the heaviest

work has not been done because work is force times distance and the door did not move so there is not distance change

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

the product of the pressure and volume is also constant