In the Whole Earth,the Four Most Common Elements (By Mass)are

question 22

Multiple Choice

In the whole Earth,the four most common elements (by mass) are oxygen,silicon,magnesium,and ________.

• A)copper
• B)lead
• C)iron
• D)zinc

---

Definitions:

Commitment

A state or quality of being dedicated to a cause, activity, or person.

Involuntary Stable Single

A person's state of being single not by choice but due to circumstances that make changing this status difficult.

Remarried

The act of entering into marriage again after a divorce or the death of a spouse.

Wife Died

The occurrence of a spouse who is female passing away.