ellieewell ellieewell

23-10-2020
Biology

contestada

The substance secreted by corals that composes their hard skeleton.

Respuesta :

Аноним Аноним

23-10-2020

Answer:

calcium carbonate

A coral reef is made of thin layers of calcium carbonate

Massive reef structures are formed when each individual stony coral organism—or polyp—secretes a skeleton of calcium carbonate.

Explanation:

Answer Link

Otras preguntas

Which war during the mid-1800s weakened the economy of the Ottoman Empire? A. Crimean War B. World War I C. Spanish War D. Boer War

What molecules produce by the light reactions are used by the Calvin cycles

Why is the ocean blue? It absorbs visible blue light It reflects visible blue light The waves cause an optical illusion It reflects yellow and green light

The legislative branch is described in _____ of the constitution.

Brazil's huge interior plateau drops steeply to the lowlands beyond to form a sertão escarpment ecotourism favelas gasohol

use the squared identities to simplify 2 cos^2 x cos^2 x

All of these are parts of the primary ignition circuit except A. the ignition switch. B. the ignition module. C. pickup coil. D. spark plug wiring.

Jared considers himself a good surfer. His friend Joseph surfs as well and Jared values his opinions. Jared surfs all the time and as a result he is thin and mu

What is the chance that a person randomly selected off the street was born in May 8% 12% 20% 30%

How often are elections held for the House of Representatives?