GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What element is essential (needed) for all Living Things but is not in the atmosphere?
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Iron (Fe)
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Carbon (C)
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Hydrogen (H)
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Argon (Ar)
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Explanation:
Detailed explanation-1: -All living things on Earth contain carbon. Even you contain carbon.
Detailed explanation-2: -All living things contain carbon in some form. Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates. Carbon’s molecular structure allows it to bond in many different ways and with many different elements.
Detailed explanation-3: -The most vital gases for living beings are carbon dioxide (CO2) and oxygen (O2). CO2 is essential for plants to survive and is utilized in photosynthesis, during which plants use CO2 and water to convert the sun’s energy into food energy.
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