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Why can't wave nature of light explain photoelectric effect? Thanks

How long is the shortest amount of time possible to be employed at a chemist for a casual/vacation job? Also does anyone know a website which tells you how to write a resume and a cover letter? thanks

For combined eng and science, how do they divide up the two parts? ie do you do all the science first then the eng or is it mixed throughout?

What do we need to know about recent discoveries of elements?

is the cathode the graphite core or the graphite, the manganese dioxide and the ammonium chloride or is the ammonium chloride the electrolyte? Very confused. Thanks

How do you find the lengths of the axes in questions like this? /z-1-3i/ +/z-9-3i/ =10

Whats the answer to this question from Catholic Schools 2006 Trial paper? The body fluids of a marine fish contain 1.2% salt, whereas the salt content of sea water is 3.5% salt. Which of the following best describes the marine fish's salt and water balance? a) The fish gains both water and salt...

Can someone explain the role of gene cascades in embryonic development and limb formation? Also what do we need to know about the "evolution of genes and their actions"? Thanks

Why do builders have to be added to anionic detergents? Are they only added to anionic detergents? Thanks

It it possible to do advanced Bsc/BEng? Also If you start off with a double degree can you drop to just the science if you decide you dont like the eng part?

Does anyone have information on the chemical properties of Technetium-99 (for medical) and Cobalt-60 (for sterilisation)? Thanks

Hi everyone What does it mean when it says that the B-L definition of acids is not limited to aqueous systems?

does anyone know where i could find (or does anyone have) practice questions on pedigrees or mendelian crosses? Thanks

Does anyone know what a prac exam for blueprint of life or search for a better health could be??? Thanks

how do you differentiate y=tan-1(1/x) and y=1/(sin-1x) thanks

can someone explain how a passivating layer works? Thanks

Does anyone have any quotes from 50th Gate that show how there can be different perpectives on the same event?

Whats the answer to this multiple choice question Why is waste removal essential for metabolic activity to continue? a) Waste products prevent the entry of essential nutrients into the cell b) metabolism of waste products produces chemicals that kill cells. c) waste products alter the...

Does anyone know what is important about companion cells -what they do?

Has anyone got anything on Where the wild things are for imaginative journeys?