Question

Group name of pearl, coral, conch and oil​

Answer 1

Answer:

Explanation:

The above mentioned four items do not fall under the same grouping, except for Pearl and Conch which are connected with Molluscs.

A pearl is made up of calcium carbonate in very minute crystalline form and is found inside molluscs.

Corals belong to the class of Anthozoa of phylum Cnidaria.

Large calcinous shells are commonly known as Conch. These shells are discarded by snails and other molluscs.

Oil is a liquid, normally black in colour, found beneath earth's surface. It is refined into various forms and used as fuel etc.

Answer 2

Answer:

⭕ Corals belong to the class of abthozoa of phylum cnidaria.

⭕ Large calcinous shells are commonly known as conch.

⭕ Oil is a liquid , normally black in colour , found beneath the earth's surface.

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