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International trade means that international firms can enter the UK market. This will increase supply, which in turn lowers prices and increases quantity available. This will lead to an increase in consum...

A cut in income tax will lead to a rise in income for consumers, as they are now paying less tax. This should lead to an increase in consumer spending, which boosts aggregate demand. An increase in aggreg...

Hydrogen bonds are the strongest, which are possible only between H and F, O or N because of the difference in electronegativity; then, permanent dipole-permanent dipole interactions come second as they f...

Deoxygenated blood from the body goes to the heart via veins. Specificially deoxygenated blood goes through the vena cava into the right atrium. Blood then moves through the atrio-ventricular valves into ...

SohCahToa
 We use SohCahToa to figure out an unknown angle or side in a right angled triangle. In questions, you will see a right angled triangle and have either two sides given (so ...