Free Flashcard From Biology 1-8 cumulative
Question:
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 1)
elements make up approximately 96% of living matter?
A) carbon, oxygen, phosphorus, hydrogen B) carbon, oxygen, nitrogen, calcium
C) carbon, sodium, hydrogen, nitrogen D) oxygen, hydrogen, calcium, nitrogen E) carbon, hydrogen, nitrogen, oxygen
Answer:
E) carbon, hydrogen, nitrogen, oxygen