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Biology AP- 2 Chemical Context of Life > 2.1 Essential Elements of Life > Flashcards

2.1 Essential Elements of Life Flashcards

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1
Q

___ out of ___ natural elements are essential for life

A

25 out of 92

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2
Q

which elements make up 96% of living matter?

A

carbon
oxygen
hydrogen
nitrogen

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3
Q

which elements make up 4% of living matter?

A

Phosphorous
Sulfur
Calcium
Potassium

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4
Q

required by organism in minute quantities:

A

Trace elements

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Biology AP- 2 Chemical Context of Life (10 decks)

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