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hi my name is akram im student from fairfield high school i love you hahahahahahha

I know that silicon is a more preferred element for semicoductors than Germanium but I just need more information on how semiconductors improved communication devices in terms of its function and properties I found some info in textbook but it's very brief and sorry for not being clear in the...

discuss the main problems with early valve type communication technology and give examples of how the introduction of semiconductors improved communication devices?

this is one of my question in my research assessment - choose an industry that uses radioisotopes ( i was thinking about the paper industry- measuring thickness) -decribe what they use them for ( i thoguht this industry only uses one radioisotope) -special precautions and dangers associated...

thank you so much Insert-username and Dreamerish*~ i really appreciate your help. Well to answer your question Insert-username, i had a research assessment due next term and there's tonnes of questions to complete. Thanks anyways guys!!!!!!!

Question 1: Describe various ways in which ethanol can be used as an alternative to petrol. Include the % of ethanol used in the replacement product.( i got info o nthe % but i don't know how to describe how it can be repalced) Question 2: Evaluate how successful the campaign to replace petrol...