Question

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

What elements did Elan compare?

A. Oxygen and Carbon
B. Carbon and Iron
C. Zinc and nitrogen
D. Copper and zinc

Answer 1

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 :)