Your correct answer would be "s<span>edimentary rock".
</span>Any accumulation of sedimentary<span> debris caused by organic processes. Many animals use calcium for shells, bones, and teeth. These bits of calcium can pile up on the seafloor and accumulate into a thick enough layer to form an "organic"</span>sedimentary<span> rock. </span> Hope this helps.
<span>The vascular tissues in plants are composed of Xylem and Phloem.These tissues allow nutrients and water to be transported in theother parts of the plant.</span>
