Answer:2370934oiuaroiufaopruaeportourieiiiiriruoituweproitupwoierutpoiweurtpoiwuerptoirpoueportupoeriutpoieurpoiueroptiuwepotupeoritutpoieru
Explanation:eroptiueorupoeurtuertpoueorptupoerupoerutpoiweurtpoiuertopiuertopiueropituepoirutpoewrutopeurtouertpouerpotuwpeorutoutpourtpoiwuretpouwroptuepotuoeutpowiutpoieurtpoerutpowiutowuerpotiuepotuee
Answer: 2,1,1
Explanation: (2)Na2HPO4=(1)Na4P2O7+(1)H20
Answer: D . A car that moves at a constant speed in one direction.
Explanation: D is the answer because a car moving in a constant speed represents a balance force because the speed is constant and the forces are balanced or , when a car travels at a constant speed, the driving force from the engine is balanced by resistive forces such as air resistance and friction in the car's moving parts.
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