<h2>Mass preservation.</h2>
Explanation:
- Mass of the system must remain the same over time, as the system's mass cannot alter according to the law of preservation of mass for any closed system.
Landolt Experiment -
- Landolt was German chemist, He demonstrated the law of preservation of mass experimentally by utilizing H- glass tube filled with silver nitrate in appendage A and HCl corrosive in appendage B.
- The reactants were blended and a white accelerate of Silver chloride was shaped alongside nitric corrosive. The tube is weighed once more.
Lol i need to answer more and plus n could also = # 4.65
Tyres (or tires, as spelt in the USA).
Foam cushioning in the seats.
Paintwork.
Oil in the engine - to simply make the bus / car work!
All and every plastic part
Answer:
The number of people in that specific area.
Explanation: