The Increase in Atmospheric Oxygen During the Proterozoic Was Most

question 25

Multiple Choice

The increase in atmospheric oxygen during the Proterozoic was most related to the ____.

• A)decrease in global volcanism
• B)decrease in ocean sizes
• C)process of photosynthesis by bacteria
• D)appearance of land plants
• E)origin of complex life forms

---

Definitions:

Internalize the Externality

The process whereby parties take into account the external costs or benefits of their actions, often through regulatory or market-based mechanisms.

Tragedy of the Commons

A situation in a shared-resource system where individual users acting independently according to their own self-interest behave contrary to the common good of all users by depleting or spoiling that resource.

Excludable

A characteristic of a good or service that means it can be restricted to only those who pay for it; the opposite of a public or non-excludable good.

Rival in Consumption

A characteristic of goods where one individual's consumption prevents or decreases others' ability to consume the same good.