1, as the energy comes from the sun, then plants get it through photosynthesis, and finally the consumers obtain the energy from consuming animals on a lower trophic level than themselves. energy cannot flow down the food chain, only up.
I think A but im not sure
It reproduces cells to work for all systems
Hi.
After a quick search, I'm pretty positive you're supposed to use the wafting technique.<em>
</em><em />Hope this helps.<em>
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