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1. Autotroph organisms are producer, heterotroph organisms are consumers...
2.in the second question I will answer another another day...

Really... ok I thought that this sound (quantic) just like in my language... thanks for your honestly... and for your help too.

Thanks a lot Capuchin... and yes it was my mistake it does not write cuantik but quantic... your answer helped me very much... thanks again

Could someone explain me clearly the cuantik number(n,l,m and s) I understand n and s cuantik number but l,m are a few ununderstanding...

It is good web but it is just for USA not for other continents(europe,asia,africa... )i need euriopian web search...

Becous I want to find one of my best friend that I didn't meet her for a long time and I would like to find with email... to contacting in this way with her she is from another state

I would like to know if exist the list of all email address... for all the world... all...

Becous the autotrophs create theyr own food and they doesn't need moving... heterotrophs should find it somwere ready... I mean food

The answer is B...

Yes yes I mean thermoregulation... sorry I was not clearly

I would like to know about physical termoregulation and chemical termoregulation...

And my answer is that nitrogen (N) has 5 valence electrons... the elment that you wrote doesn't have 5 valence electrons...

Zn+2HCl--ZnCl2+H2 did you mean that.. this is my answer..

Thank you Capuchin... now I understand that... thank you very much you explained that very good...

I want to know what is the efect of salt (NaCl) in ice... I mean why in winter salt is used to melt the ice in roads... :)

thanks a lot Templelane for your help... now I understand very good and very clearly ph value thanks again... I am in third year of high school...

No I don't but I will look thanks for help

the x=20...

I canot understand the ph value can anybody explain me that in details... I read about this theme but I can't understand...
thanks in advance

We say :gezuar viti I ri we celebrate 31st of December and we celebrate until 5:00 o'clock morning

I can tell you one easy way to write that leter:you can write the text in english just like you want and translate in german you can do this from Google page in link :language tools there you can ...

Yes they are part of membrane cell...

Thanks for everybody that give us a correct answer and help us... thanks once again.

Fe+S=FeS
Mg+O2=MgO2
Cu+O2=CuO2
2CaO+2H2O=Ca2(OH)2+H2O...
Decomposition
HgO =Hg+O
NaHCO3 =NaOH+CO2
CuSO4+5H2O
Single Displacement
Zn+HCl =ZnCl+H

CO2+NaOH=Na(CO3)+H this is

Mp4 is most advance format

Of course mp4 is most advance system than mp3