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This can be a bit tricky! When forming the passato prossimo, we need an auxiliary verb (a helper verb - avere or essere) and then a past participle. Now, which auxiliary verb we use depends on whether the ve...

Let's call an apple 'a', and a pear 'p'.If Tony bought 12 apples and 7 pears for £10.90, then we can write the following equation:12a + 7p = 10.9If an apple costs 20p less than a pear, we can say:a = p - 0.2...

ADH stands for anti-diuretic hormone. An increase in ADH production would lead to more water being reabsorbed into the blood/capillaries. As such, urine contains less water and becomes more concentrated.

Pressure only effects those elements that are in Gaseous state. Therefor when you increase the pressure in a reaction the gas molecules are closer together, there is an increase in density of molecules. When...

As the blood vessel taking blood out of the Bowman's capsule is narrower, it has a smaller width. The smaller width creates more resistance, which increases blood pressure inside the Bowman's capsule. This h...