Question

Living systems are made of complex molecules including carbohydrates fats proteins and nuclei caucused. Even though there are more than 100 elements known to exist,these molecules are comprised of only a few elements what are these elements? A.sodium potassium calcium nitrogen phosphorus sulfur b.carbon hydrogen oxygen nitrogen sulfur and phosphorus c.carbon hydrogen oxygen fluorine chlorine iodine d.fluorine chlorine iodine nitrogen phosphorus sulfur

Answer 1

It's OK your Stuff is out of order but here is the answer C,H,O,P,N,S
CARBON, HYDROGEN, OXYGEN, PHOSPHORUS, NITROGEN, and SULFUR ..... I think is your answer B