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Biology; Chemistry; Physics: Post your doubts here!

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explain why most forms of life are completely dependent on photosynthesis?


umm its cuz they are the main source of food and they are the starting of most of the food chains and if they are not there many food chains would just die and many consumers will die as they are the MAIN SOURCE...:p
 
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Seconded. I want to know too.

What does eutrophication mean? And what elements/compounds cause it?
eutrophication is the process of algae growing on the surface of rivers and lakes (mostly cuz its stagnant) and it is caused by fertiliser waste from fields which is drained to the lakes due to over watering of the fields and also is there in the industrial waste ;)

hope it helps..:D
 
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um yea true

daredevil
would nt the plant b the most active when at 7 am cuz thats when the sunlight is good, and everything is at its peak!! :D
i odn't think so bcuz at noon it will be the most active. at 7 am its rarely ever that sunny. only in summers it is but not in winters.
 
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