Scientists Have Started to Record What Happens to Areas in the Amazon

question 21

Multiple Choice

Scientists have started to record what happens to areas in the Amazon that have been burned.They are recording which plants grow back and how water and carbon cycles are affected by the new growth.They are also performing experiments to look for ways to encourage the return of rainforest.This work is significant because if the burned rainforests do not recover,

• A) water and carbon cycles will be disrupted.
• B) they will absorb more carbon than they release.
• C) they will become carbon sinks.
• D) a primary source of food for most of the world's population will be lost.

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Definitions:

Operational Definition

A specific, concrete method of measuring or manipulating a conceptual variable.

Ethical Issue

A situation that requires a person or organization to choose between alternatives that must be evaluated as right (ethical) or wrong (unethical).

Human Subjects

Individuals who participate in research studies, whose rights and welfare are protected by ethical guidelines.

Psychological Damage

Emotional or mental injury caused by experiences of stress, trauma, or abuse that adversely affects an individual’s mental health and well-being.