EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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EQUATION FOR THE FIRST CELL:CHONPS + ____ = cell
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lightning (heat)
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freezing temperatures
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Explanation:
Detailed explanation-1: -C + H + O + N. From the chemical symbols of the four most common elements found in known Earthly life.
Detailed explanation-2: -(mnemonic) Initialism of carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur: the main elements that occur naturally in carbon-based living systems on Earth.
Detailed explanation-3: -Scientists believe that about 25 of the known elements are essential to life. Just four of these – carbon (C), oxygen (O), hydrogen (H) and nitrogen (N) – make up about 96% of the human body. 25 elements are known to be essential to life.
Detailed explanation-4: -CHNOPS; Acronym of carbon, hydrogen, nitrogen, oxygen, phosphorus, sulphur.
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