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Both alkanes and alkenes are hydrocarbons, which means they only contain carbon and hydrogen atoms. Alkanes are saturated hydrocarbons, which means each carbon atom is bonded to four other atoms and there ar...

To do this, there are two rules, the Sine Rule and The Cosine Rule. The sine rule is a/Sin A = b/Sin B = c/Sin C. (the lower and uppercase are very important. The rule also stands if you write the entire thi...

In the first stage of Meiosis 1 - Prophase 1, after the chromosomes have coiled and condensed they ay touch each other at points known as chiasmata, and Crossing Over occurs. This is where genetic informatio...

There have been many studies into this area. For example, in 2008, Driessen and his team found that 30% of drug addicts and 15% of alcoholics suffered from post-traumatic stress disorder. This shows a clear ...

We first write each side of the equation using the maclaurin series for each function. e ix = 1 + ix + (ix) 2 /2! + (ix) 3 /3! + (ix) 4 /4! + ...... e ix = 1 + ix - x 2 /2! - ix 3 /3! + x 4 /4! + ..... cos(x...