Ninety Percent of Earth Is Made Up of Which Four

question 41

Multiple Choice

Ninety percent of Earth is made up of which four elements?

• A)iron,oxygen,silicon,and magnesium
• B)oxygen,nitrogen,hydrogen,and silicon
• C)magnesium,aluminum,silicon,and oxygen
• D)silicon,calcium,aluminum,and iron

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Definitions:

Important Decisions

Critical or significant choices that often have a long-term impact on one's personal or professional life.

Strong Relationship

A bond or connection between two or more entities characterized by mutual respect, trust, support, and understanding.

Family Conflict

Disagreements or confrontations between family members due to differences in opinions, values, or interests.

Negative Experience

An unpleasant or harmful event, occurrence, or situation that affects an individual mentally, emotionally, or physically.