Her conclusion is invalid because using sand instead of soil slows down plant growth. Fertilizer, on its own, does not 'greatly' increase the size of the plant.
The correct way to do this experiment would be to keep all other parameters same, except the fertilizer. This will give her accurate results.
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Hi
The leves need to beed in clay so there comes no air close to the leaves this important because otherwise bacteria could dissolve the leave
It reproduces asexually have a nice day
<span>The answer is simple :) Natural selection was an important contribution to the theory of evolution because: It explained how evolution works. </span>
