Which of the following choices includes ONLY elements?

A. hydrogen, oxygen, helium, carbon
B. hydrogen, oxygen, water, salt
C. helium, carbon, water, salt
D. oxygen, gold, glucose, salt

i'll give branily for whoever answers or comments on the answer

Respuesta :

Answer:

A. hydrogen, oxygen, helium, carbon

Explanation:

I'm sure this is correct

Answer:

B. hydrogen,oxygen,water,salt