Physics
The law of conservation of energy states that

Energy can either be created nor destroyed
Energy can either be created or destroyed
Energy can neither be created or destroyed
Energy can neither be created nor destroyed

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following occurred first ?

Wright Brothers successfully flew an aircraft
Guglielmo Marconi sent out the first wireless signals
Max Planck unveiled the Quantum Theory
Albert Einstein propounded the General Theory of Relativity

ANSWER DOWNLOAD EXAMIANS APP