Question R10 Q21 - NSB MS 2012

When you look at coral on a reef, which of the following are you seeing?

W) Sodium bicarbonate that precipitates from the seawater

X) Deposits from fish and other marine vertebrates

Y) Zoantharian [zo-ahn-THA-ree-an] corals extending from their calcareous [kal-KAIR-ee-uhs] caps

Z) Minerals deposited as a result of runoff from nearby mainlands

Science Bowl Question