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In 'An Inspector Calls', J B Priestly explores the theme of remorse in many different ways. Through the characters of Mr and Mrs Birling, Priestly illustrates how privilege and prejudice from the older ge...

An action potential (AP) reaches the pre-synaptic membrane. This causes the voltage-gated calcium channels to open, and calcium ions flow down their concentration gradient into the pre-synaptic terminal. ...

It is undoubtable that Trotsky’s leadership of the Red Army played a significant role in ensuring the Bolshevik Revolution survived the civil war of 1918-1921. However, there are other factors that also c...

y_C=x³ - 7x + 3 ------> equation of curve.y_T=mx+c ----------------> equation of tangent, where m is the gradient of the graph and c is the value of the y-intercept (t...

(1+2i) (2+i)/(2+i)(2-i) = (2-2+4i+i)/5 = 5i/5 = i