Which Group Includes the Four Most Abundant Elements in Living

question 61

Multiple Choice

Which group includes the four most abundant elements in living organisms?

• A) carbon, hydrogen, oxygen, iron
• B) carbon, hydrogen, nitrogen, oxygen
• C) carbon, hydrogen, phosphorous, oxygen
• D) carbon, nitrogen, phosphorous, oxygen
• E) carbon, hydrogen, sulfur, oxygen

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Scientific Notation

A way of expressing numbers that are too big or too small to be conveniently written in decimal form, using powers of ten.

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