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Are felsic or mafic magmas more explosive

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 happens...
SG
Answered by Sian G. • Geology tutor
11252 Views

Describe similarities and difference between plant and Aminal cells

Similarities both are eukaryotic cells and therefore have a nucleus they both have cell membranes which can control what enters and exit the cell they both contains cytoplasm - this is where reactions is the...
SB
Answered by Sara B. • Biology tutor
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Choose two words from the following list and for each one give an English word derived partly or wholly from the same root: scribere, vulnerato, accepisset, amici, captivi. [2]

e.g. scribe, vulnerable, accept, amicable, captive. Any 2 words for 1 mark each (only 1 mark if derivatives for bot words are not listed)
AS
Answered by Apoorva S. • Latin tutor
2116 Views

solve this equation x^2 -2x=-1

to first think about solving this equation you need to add 1 to both sides producing the equation x^2-2x+1=0 you then need to factorise this equation as it is a quadratic equation (x-1)(x-1) =0 for this to e...
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Answered by George B. • Maths tutor
5422 Views

Find the determinant of matrix M. [3]

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 shown)...
AS
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