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i dont get the meaning of gametes
What are the conditions for esterification?
CO2 - Otherwise called carbon dioxide effects our climate in many different ways. The way it works is that basically certain 'greenhouse gases' can't escape from our atmosphere because they get trapped. CO2 is what plants need to create oxygen etc. But when there is too much CO2 being admitted into our environment from burning fossil fuels, cars etc, and we are cutting down trees for paper - it is imbalanced and now it has started to catch up with us. a.k.a global warming. Because these gases are trapped in our atmosphere, they have more time to collect heat from our atmosphere and the sun - thus making our climate increase in heat. This then triggers ice caps to melt and floods to occur and then one day we will face a world with no more fresh water and many extinct animals who cannot survive in warm climates.how does CO2 harms the environment?
Re: Biology,Chemistry & Physics Help Available Here !
sorry about mixing it up.... i was in a hurry.... and yes. i did get but i was a little stuck on a 87 past paper question.... so no biggie. =) thanx btw.
Assalam-o-Allaikum and Hi everyone ,
hope u all are doin great !
Well as the topic says help for chemistry biology and Physics is available here that means that u can ask any mind blowing question or ask any question regarding a particular topic or ask abt any questions from Past paper or any of your text books. 8) :Yahoo!:
I made this topic so that people dont make many posts asking abt bio,physics or chemistry individually but they can post their reply here where it can be answered with ease and the members wont have to go searching for topics to help! !
So what are u waiting for now write ur questions here !
THANKS and Bye or Allah Hafiz ! :wink: :good:
http://www.xtremepapers.com/CIE/index.php?dir=Cambridge O Levels/5090 - Biology/by my god allah im telling plx give me the links of 2000-2010 pastpaper questions and marking schemes.
i wish allah will bless u! insha allah!
http://www.xtremepapers.com/CIE/index.php?dir=Cambridge O Levels/5090 - Biology/
^ Biology past papers from 2002 to 2010, if that’s what you're looking for.
i wants real biology cambridge pastpapers........plx provide this
HEy this is perfecttttttttttttttttttttttttttttt i love this thanks dude................!Cmon this is real past papers what else is this see for ur self !
HEy this is perfecttttttttttttttttttttttttttttt i love this thanks dude................!
Otherwise thanks for telling me!I guess u shud thank ktc not me because it was posted by ktc not me !
Assalam-o-Allaikum and Hi everyone ,
hope u all are doin great !
Well as the topic says help for chemistry biology and Physics is available here that means that u can ask any mind blowing question or ask any question regarding a particular topic or ask abt any questions from Past paper or any of your text books. 8) :Yahoo!:
I made this topic so that people dont make many posts asking abt bio,physics or chemistry individually but they can post their reply here where it can be answered with ease and the members wont have to go searching for topics to help! !
So what are u waiting for now write ur questions here !
THANKS and Bye or Allah Hafiz ! :wink: :good:
notes just wont do for this topic. try solving past papers!Cathode Ray Oscilloscope is a very confusing. Any good notes out there on this topic?
plx ans me 5090/21/O/N/10.......Paper 2......Question number 1.....(c) (i), (ii).........by your own
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