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Felsic magmas as they contain more silica molecule (si02) and are therefore more viscous (cannot flow as easily as mafic magmas) meaning more pressure can build up behind the magma before an eruption happ...

Markscheme:[M1] correct expansion shown, allowing sign slips.[A1] correct (unsimplified) expression obtained [A1] correct answer obtained (this can also earn both A1 marks if correct expression is not sho...

1. first Olympic Games to make a profit 2) selling of the Olympic Rings and logo 3) sold tv rights of the games 4) use of top sponsors such as McDonald’s , Coca-Cola etc 5) accredited the hamburger gam...

To integrate this simple equation add one to the power then divide by the new power for example. 2x^2 becomes 2/3x^3 4x becomes 2x^2 and 1 becomes x plus constant c so the overall integrated equation is 2...

Two's complement is improvement on one's complement.
To get a negative number in One's complement, one has to invert all numbers (turn 1 to 0, and 0 to 1), for two's complement is the same but add 1...