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Gyan ki Baat is an initiative to help aspirants cover the UPSC Current Affairs comprehensively and holistically. It has a multi-dimensional, exam-oriented approach that will help you sail through the sea of news articles published every day.
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Ocean Resources are all the natural resources including plant and animal life, minerals, energy sources, and water etc. in the oceans. The ocean contains 97% of the planet’s water, making it a vital source of resources for humans.
Petra means rock; Oleum means oil. These are non-renewable energy sources. Petroleum can be used to make gasoline, diesel fuel, and of other products.
Good conductor of electricity. Can be drawn out into wire. Iron and nickel make stainless steel.
Chromite is an oxide of iron and chromium. It is a, lustrous, hard, and brittle metal. Resistance to corrosion, oxidation, and wear.
It is not found as a free element. It is often found with iron. Its most important ore is pyrolusite.
It is a chemical element. It is a soft, silvery-white alkali metal. It is the lightest metal.
It is a valuable metal. It is used for making ornaments. It is of universal use. It usually occurs in rocks or minerals containing gold.
It has been the most valuable among gems. It is the hardest naturally occurring substance. Found in igneous rocks and alluvial deposits.