What Causes Large Fish Kills and Contamination of Drinking Water

question 38

Multiple Choice

What causes large fish kills and contamination of drinking water in most developed countries? 

• A) oxygen levels rising in cooler waters 
• B) increased water temperatures from industrial plants 
• C) sewage treatment plants with holding ponds 
• D) accidental release of toxic industrial chemicals

---

Definitions:

First Month

Refers to the initial month of a period, which can relate to the life of an infant, the start of a project, or any new beginning.

After Birth

Refers to the period following the birth of an infant, focusing on recovery for the mother and adjustment to life for the newborn.

Sensorimotor Substage

A phase within Piaget's sensorimotor stage, which describes the development of infants through their senses and motor activities.

Tertiary Circular Reactions

A stage in Jean Piaget's theory of cognitive development, occurring roughly between 12 and 18 months, characterized by the purposeful adaptation of established schemes to new situations.