lincabre67 lincabre67

07-06-2016
Chemistry

contestada

Which group of elements are the most important for living organisms?\

a. carbon, lead, and tin

b. carbon, nitrogen, and oxygen

c. boron, aluminum, and nitrogen

d. arsenic, antimony, and oxygen

Respuesta :

KylieLA KylieLA

07-06-2016

B- Carbon nitrogen and oxygen. All organisms are made up of carbon, oxygen is essential to breath, and nitrogen makes up most of earth's atmosphere.

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ajlw0414 ajlw0414

07-06-2016

The answer is b carbon nitrogen and oxygen

Answer Link

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