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
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.
ajlw0414
The answer is b carbon nitrogen and oxygen