Which of the Following Did Not Occur During Precambrian Time

question 18

Multiple Choice

Which of the following did not occur during Precambrian time?

• A) photosynthesis evolved
• B) eukaryotes arose
• C) O₂ accumulated in the Earth's atmosphere
• D) life originated
• E) ancestors of all modern animals appeared

---

Definitions:

Happier

A comparative state of experiencing more joy, satisfaction, or contentment.

Wealthier

Having a greater amount of money, resources, or assets.

Poorer

Having less wealth, income, or material possessions compared to others or a previous state.

Long Marriage

A marital union that has lasted for a significant number of years, demonstrating durability and commitment between partners.