the anwser would most likely be j=0
Yes. Everything is made up of mass. If it takes up space, it has mass
B.Elements
Explanation: they cannot be separated
Thermoplastic and thermosetting
thermoplastic:- they are easily molded and extruded into films, fibres and packaging.For eg. PVC
thermosetting:-they are hard and durable and can be used for aircraft parts,tires and auto parts .For eg. phenolic resins.
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