The Organisms Originally Responsible for Putting Oxygen in Earth's Atmosphere

question 74

Multiple Choice

The organisms originally responsible for putting oxygen in Earth's atmosphere lived around:

• A)1)5 million years ago.
• B)2)3 billion years ago.
• C)3)5 million years ago.
• D)3)5 billion years ago.
• E)6 billion years ago.

---

Definitions:

Working in Adulthood

The phase of life characterized by engagement in employment or professional activities, typically to earn a living and contribute to society.

Black Women

Female individuals of African descent, acknowledging their unique experiences, challenges, and contributions within various societal contexts.

Cosmetic Procedures

Medical interventions aimed at enhancing a person's appearance for aesthetic rather than health-related reasons.

Subjective Evaluations

Assessments based on personal feelings, tastes, or opinions rather than external facts or criteria.