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What are the similarities and differences between atoms of the isotopes Cl-35 and Cl-37

The numbers 35 and 37 are the mass numbers for the two isotopes of chlorine. They both have the same atomic number(proton number) as they are the same element, hence they also have the same number of electro...
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Answered by Arunima B. Chemistry tutor
30832 Views

Há muita violência no futebol?

Sim, na minha opinião, há muita violência no futebol especialmente em Portugal entre os clubes Benfica e Porto. Sempre que há jogo há imensas pessoas a bater-se umas às outras, o que me preocupa porque se eu...
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Answered by Inês Q. Portuguese tutor
1679 Views

Solve 5(x+3) < 60

Our technique here will be the same used to solve the problem 5(x+3) = 60, but we must take care at each step to decide whether our inequality changes direction.Firstly, we expand the brackets to give 5x + 1...
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Answered by Arron B. Maths tutor
17288 Views

Describe how a sperm cell is adapted for it's function. (4 marks)

1 mark each for one of the following: Describe the sperm cell's function; i.e. fertilising the egg (Proportionally large) flagellum for mobility Possess an Acrosome filled with enzymes to pass through the eg...
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Answered by Jack M. Biology tutor
3343 Views

How would I plan an answer to this question: 'Peaceful co-existence failed by 1961 because neither the East nor the West fully committed to it. How valid is this assessment?' (AQA History A-Level)

The first thing to do when planning an essay is to identify the most important words in the question, and consider what they mean. This will ensure that you are really answering the question directly rather ...
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Answered by Isobel B. History tutor
6638 Views