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Alfred wegener started the scientific debate that ended the the plate tectonics theory. 

Alfred wegener called it the continental drift theory.  

Geography

Who came up with the theory of plate tectonics?

The tangram 3 is the number three made out of 7 puzzle pieces; 5 triangles, 1 square and 1 parallelogram. 

Maths

I don't understand the tangram 3

Mainly in terms of accounting:

- based on old data
- companies differ in accounting methods 
- use of historical cost accounting 
- dependant on the quality of data (eg// dependant on the quality of financial statements)
- choosing an industry benchmark can be difficult (eg// which company to compare to)
- industry average may not be the desired target 

What are the limitations of ratio analysis?

What you need to cover depends on the year you are in and the board. However, this should help you.

1.The factors that affect the rate of reaction: 
- temp
- concentration 
- pressure 
- surface area 
-state (gas,liquid and solid) 
2. The rate equation
3. How to interpret graphs 

Juhi Sharma

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University of West London

Graveney school

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Juhi Sharma