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Describe and explain how the alveoli are adapted to perform efficient gaseous exchange

The alveoli are arranged in clusters at the end of the bronchioles in the lungs. The lungs contain an extremely large surface area of alveoli (around 70m2) which acts to provide the maximum space for the ...

JP
Answered by Joe P. Biology tutor
6038 Views

Prove that the sum of squares of the first n natural numbers is n/6(n+1)(2n+1)

In order to do this we must follow the standard procedure for a proof by induction which is to first check a base case:Let n = 1, then the sum can be written as 12 = 1/6(1+1)(2+1) = 1 as requir...

TD
5013 Views

How might we implement the bubble sort algorithm in Python

Largely shown in code with a talk-through of what I'm doing. First discuss what the algorithm is doing, then talk through Python implementation with pythonic practices in mind e.g. why use a function, and...

TD
1888 Views

What mass of sodium hydroxide would need to be dissolved to make 100 cm^3 of a 0.5 mol dm^-3 solution? (3 marks)

Number of moles = (0.5 x 100)/1000 = 0.05 moles (1 mark)Molar mass, M, of NaOH = 23 + 16 + 1 = 40 (1 mark)Mass of NaOH needed = moles x M = 0.05 x 40 = 2g (1 mark)correct answer alone scores 3 markscorrec...

AA
Answered by Aarif A. Chemistry tutor
7556 Views

I've heard the word supertonic before. What does this mean?

Each of the seven scale degrees in the major and minor scales has been given a fancy name:TonicSupertonicMediantSubdominantDominantSubmediantLeading toneThese names are often used when re...

LG
Answered by Liam G. Music tutor
4011 Views

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