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 bond must be true?

oxygen and carbon is the answer

oxygen and carbon

Explanation:

There are several chemical elements present in the body of human beings. They are essential for the proper functioning of our body. The absence or deficiency of these elements can lead to improper functioning of the organism, generate disease or even lead the individual to death. Many of these chemicals are obtained through the food and water we drink.

Among these elements we can cite:

Besides these, the human body has hydrogen, nitrogen, calcium, phosphorus and others.

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.