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prove that any odd number squared is one more than a multiple of four.

any odd number can be written as (2n+1), where n is any integer (whole number). Squaring any odd number is therefore= (2n+1)² . expanding the brackets gives =4n²+2n+2n+1² ...

Answered by Harry J. • Maths tutor

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Outline the concept of eustatic and isostatic sea level change

Eustatic change refers to a global change in sea level due to an actual rise or fall in sea level. As global temperatures rise due to global warming more precipitation falls as rain and more ice melts fro...

Answered by • Geography tutor

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Explain what the rate-determining step in a reaction is with reference to activation energy.

The rate determining step is the slowest step in a multi-step reaction, and it is the step in the reaction with the highest activation energy. It is the step in the reaction which decides the overall rate...

Answered by Sammy A. • Chemistry tutor

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Outline how light intensity affects the rate of photosynthesis, with reference to the Calvin cycle and effects on the concentrations of GP, GALP and RuBP.

Light is needed to provide energy for the light dependent reactions of photosynthesis. A greater light intensity will provide more energy for these reactions to occur. At a low light intensity, the produc...

Answered by Sammy A. • Biology tutor

8033 Views

Read the item and then answer this: Outline what is meant by the term bystander behaviour. Referring to the conversation above, identify one factor that can influence bystander behaviour and suggest how it would have influenced bystander behaviour...

...in this situation.Item:Archie: “On the way into work today, I saw a lady collapse. She fell over outside the coffee shop on the high street.” Jordan: “That’s terrible. Did you stop to help her?”(4 mark...

Answered by Izzy R. • Psychology tutor

2309 Views