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Physics, Chemistry and Biology: Post your doubts here!

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You didn't mention increase in heart rate as this was the main part of the question !!
Hmmm........ I mentioned it in the description of the experiment............... how did u do it?
How was ur paper, overall?
 
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Hmmm........ I mentioned it in the description of the experiment............... how did u do it?
How was ur paper, overall?
Mine was good !! will just lose 4-5 marks coz i left the 3rd block of artery question blank and didnt write diameter correct to 1 decimal place !!
 
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ict man
there was a qustion about EFTPOST in 2014 and in markscheem it included " transaction is authorised "
i cant understand what it means so plz help
Post ICT doubts on the ICT thread :)
Btw it is the term used for buying or selling
Transaction authorized means that the customer was able to able to give money and have the product for example,
 
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Mine was good !! will just lose 4-5 marks coz i left the 3rd block of artery question blank and didnt write diameter correct to 1 decimal place !!
Hmmm...... Same here!!
I think I did the measuring diameter accurately thingy wrong, the table (maybe) and the elastc wall of the artery........
Well good luck for ur next exam!!!
 
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Intra-cellular enzymes are extracted by filtering the micro-organisms from the feedstock, crushing them, wash them with water then extracting them from the solution
what does dis means and ya my paper 6 went bad in bio does it affect my grades badly :(
 
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HOW TO FIND THE CONCENTRATION OF AMMONIA USING NITRIC ACID AND COMMON LABORATORY APPARATUS?
 
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