Question

*PLEASE HELP!!!!!*

While studying for a test, Elan compared the characteristics of different elements. He listed these characteristics that are shared by two elements: a major element of the human body a fundamental building block of molecules Which elements did Elan compare?




*oxygen and carbon

*carbon and iron

*zinc and nitrogen

*copper and zinc

Answer 1

Answer: A

Step-by-step explanation:

"There are six main elements that are the fundamental building blocks of life. They are, in order of least to most common: sulfur, phosphorous, oxygen, nitrogen, carbon, and hydrogen." "The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you." Hope this helps :)

Answer 2

zinc and nitrogen is the correct answer

Step-by-step explanation: