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A country's central bank controls the supply of money and controls and sets the country's interest rates.
Perfect: As with English, the perfect is used for more recent events - He comido = I have eaten. You would use this probably for something you've done more recently in the day. It can also describe action...
Sulfur has an atomic number of 16, phosphorous is 15. The first ionisation energy of a periodic row usually increases left to right. This is because number of protons increases thus increasing nuclear cha...
A) acceleration (m/s2) = change in velocity (m/s) / time (s) A) -1.0 ms-1 / 4 s = -0.25 ms-2B) Calculate the displacement the ball travelled before hitting the skittles...
Sometimes in maths you will encounter equations with an unknown value, such as X+3=7. Though this is a very simple example that you can probably do in your head without thinkig much, knowing the principle...
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