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How to get an A* in History GCSE

History can at times seem very difficult to obtain the highest marks. Unlike subjects like Maths and the Sciences there are no definite answers. However, with the right application and right approach ...

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Answered by Oscar B. History tutor
16440 Views

A given star has a peak emission wavelength of 60nm, lies 7.10*10^19m away and the intensity of its electromagnetic radiation reaching the Earth is 3.33*10^-8Wm^-2. Calculate the star's diameter

With a problem like this, the key is to split it down into component parts.

We will treat the star as a perfec...

JS
Answered by James S. Physics tutor
4714 Views

What is a mole?

In chemistry the mole (mol) is a basic unit to describe a quantity of substance based on the number of particles (atoms or molecules) that it contains.

The nu...

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Answered by Tomos P. Chemistry tutor
4284 Views

basics of past tenses in Spanish - What is the difference between the Preterite and Imperfect?

We'll begin with how to form (or conjugate if we're being fancy) the preterite & imperfect tenses.

 

IR – TO GO (THIS IS A S...

RH
Answered by Rose H. Spanish tutor
13083 Views

Who was responsible for the outbreak of the Cold War?

Who was responsible for the outbreak of the Cold War?

Was America responsible?

·         President Truman’s use of the atomic bomb in Japan could be s...

JN
Answered by Joanna N. History tutor
9546 Views

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