If a New Form of Plankton Were to Develop That

question 25

Multiple Choice

If a new form of plankton were to develop that converted CO₂ into oxygen as part of its natural metabolism,what would the likely effect be on global temperature?

• A) Global temperature would not rise as fast, because by removing CO₂, the plankton would be removing greenhouse gasses.
• B) Global temperature would rise faster because plankton-produced oxygen has a greenhouse effect.
• C) Global temperature would not be affected, because both CO₂ and oxygen are greenhouse gasses.
• D) Global temperature would decrease because the total content of CO₂ in the atmosphere and hydrosphere would decrease.

---

Definitions:

Open

State of being not closed, allowing access or passage through.

Return Receipt

A proof of delivery document that confirms the sender that their mailed item was delivered to the recipient.

Interoffice Memorandum

A written form of communication used within a company or organization to convey information between departments or employees.

Heading Component

In document or software terms, a text feature that introduces sections and sub-sections, organizing content hierarchically.