Question

Connections unit 1 lesson 7 semester B unit test

8. Which four elements are commonly found in living things?

A) Hydrogen, Oxygen, Helium, Carbon
B) Oxygen, Nitrogen, sulfur, Carbon
C)Sulfur, Carbon, Helium, Oxygen
D) Carbon, Hydrogen, Oxygen, Nitrogen*

Help me pls!

Answer 1

I agree with your choice although a case could be made for B. But D is a better choice than B because C is much more common than S.