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Infection and response
Energy transfers (a2 only)
Responding to change (a2 only)
Cell biology
Organisms respond to changes in their internal and external environments (a-level only)
Organisation
Biological molecules
Homeostasis and response
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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The cold war
2n revolution and dictatorship: russia, 1917-1953
1l the quest for political stability: germany, 1871-1991
1c the tudors: england, 1485-1603
1f industrialisation and the people: britain, c1783-1885
World war two & the holocaust
World war one
2b the wars of the roses, 1450-1499
2j america: a nation divided, c1845-1877
Britain & the wider world: 1745 -1901
Inter-war germany
2m wars and welfare: britain in transition, 1906-1957
2d religious conflict and the church in england, c1529-c1570
Medieval period: 1066 -1509
Britain: 1509 -1745
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20/02/2023
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24.11.22 Reverse % or original price Increase: O Convert to decimal Add 1 to the decimal 3 Divide the new amount by your answer from Step 2 Decrease: O Convert to decimal Subtract the decimal from 1.00 3 Divide new amount by your answer from Step 2 Increase example: Patrick invested money into a bank account. Each year money in the account earris 4% interest. After I year there was £291.20 in the account. How much does he invest? 4%=0.041.00+ 0.04 = 1.04 Answer: £280291.20÷1.04=280 decrease Timportant
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