Yes (most likely). These 4 are most likely the most important elements for human life to which this questions refers.
carbon , hydrogen , oxygen , sulfur , phosporus and nitrogen
Nitrogen is the primary element in urea [CO(NH2)2], along with carbon, oxygen, and hydrogen.
The correct answer is Carbon and Hydrogen
That answer would be carbon Sources: Biology teacher.
carbon hydrogen oxygen and nitrogen
carbon , hydrogen , oxygen , sulfur , phosporus and nitrogen
CHON (carbon, hydrogen, oxygen, nitrogen)
Nitrogen is the primary element in urea [CO(NH2)2], along with carbon, oxygen, and hydrogen.
Hydrogen.
And hydrogen and oxygen and nitrogen
They both are - as are hydrogen, carbon etc
The correct answer is Carbon and Hydrogen
That answer would be carbon Sources: Biology teacher.
Oxygen is the most abundant element in the human body, followed by Carbon, Hydrogen and Nitrogen. Calcium is abundant, as well.
Helium, Hydrogen, Nitrogen, Carbon.
Nitrogen, Hydrogen, Oxygen and Carbon.
hydrogen, nitrogen, carbon and oxigen