The answer is the platelets
<span>Organs are formed by tissues combined together.
</span><span>♡♡Hope I helped!!! :)♡♡
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So abiotic means nonliving, so the only abiotic option is B. the gravel on the bottom of the aquarium.
Well it happens every six months, one in summer in June and winter December. And if i'm wrong then i understand :) <span />