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In order to improve your comprehension skills you need to - unsurprisingly - practice. The key to identifying the right vocabulary and answering correctly is tuning in to the speed and cadence of spoken G...

The force exerted on a charged particle q moving with a velocity v through an electric and magnetic field, E and B respectively. F=qE+qvxB. We usually care mostly about the magnetic part. It is also worth...

Double-helix DNA strands are separated by breaking the hydrogen bonds between complementary bases. One strand acts as a template strand which complementary bases bind to (adenine to uracil, thymine to ade...

Question 2 will ask about language methods used by the writer to describe a person, place or thing within a text and should take you 10 minutes to complete. This question focuses on AO2: "Explain, co...

sin(2x)=sin(x+x) =sin(x)cos(x)+cos(x)sin(x) =2*sin(x)*cos(x); cos(2x)=cos(x+x) =cos(x)cos(x)-sin(x)sin(x) =[cos(x)]²-[sin(x)]² Now let x+y=a and x-y=b, then x=(a+b)/2 and y=(a-b)/2. ...