Use the Following Figure to Answer the Question

question 46

Multiple Choice

Use the following figure to answer the question.

What treatment results that were presumably part of the experimental design are not fully depicted in the graph?

• A) Chlorophyll a concentration at 30 m depth within the treatment area
• B) Chlorophyll a concentration at the surface within the treatment area
• C) An indicator of net primary production in the treatment area at the surface and at 30 m deep
• D) An indicator of net primary production outside the treatment area at depth and at 30 m deep

---

Definitions:

Problem Solving

The process of identifying a challenge and finding an effective solution for it.

Cognitive Development

The process by which individuals acquire and evolve their thinking abilities, including perception, logic, memory, and language.

Conservation

The preservation and protection of natural resources, environments, and wildlife.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, a concept developed in infancy.