May 3, 2012 - Im in 7th grade and we have to do a science project. :(
it has to be about one of the following:
Beach Erosion
Photo Synthesis
Germination
Pollution
Acid Rain
Greenhouse Effect
Food Chains
Succession
Biofuels
i have to write three problems down, i already have one:
- Which ground cover would protect soil from water erosion the best?
i need TWO more. help?
and please do something for the grades 7 - 9 I'm NOT in second grade so please DO NOT write something dumb like, how much sun does a seed...
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