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A Level

What is the differences between passive voice and active voice?

Firstly, in an active sentence (voice), the subject is performing the action of the verb. For example, Susana tocó el piano de Ana. (Susana played Ana's piano)  In this context, 'Susana' is the s...

LY
Answered by Lijie Y. Spanish tutor
2593 Views

Why do certain metals give off different colours when heated?

This is to do with the electrons in the metal atoms. When a piece of the metal is heated, if there is enough energy supplied to the atoms, their electrons are excited and are promoted (jump up) to higher ...

JR
Answered by Josh R. Chemistry tutor
16606 Views

Why Darwinism played an important role in shaping Nietzsche's Overman (Ubermensch)?

As Nietzsche states in Thus Spoke Zarathustra, mankind is placed in between a monkey and the Overman. Moreover, he states that the Overman is the final aim of men, and the process will go through 3 stages...

AS
2586 Views

What is the photo-electric effect and what impact did it have on the development of Quantum Mechanics?

The photo-electric effect is the process in which a metal will emit electrons when light of a sufficiently high frequency is incident upon it, Before Einstein's description of the photo-electric effect th...

OB
Answered by Oliver B. Physics tutor
2071 Views

¿Crees que debemos aceptar todo el progreso científico y tecnológico? ¿En qué momento y en qué circunstancias debemos decir “no”?

Creo que por ahora hay que aceptar el progreso científico y tecnológico pero hay que imponer una barrera cuando ya es demasiado. No hay que dejar que los robots reemplacen a los humanos, los humanos somos...

AV
Answered by Anais V. Spanish tutor
2505 Views

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