Depletion of the Ozone Layer Is Caused by

question 51

Multiple Choice

Depletion of the ozone layer is caused by

• A)global warming.
• B)natural fluctuations in the climate.
• C)fossil fuels.
• D)the use of certain chemicals

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Definitions:

Symbolic Play

Play in which one object stands for, or represents, another.

Circular Reactions

Repetitive actions carried out by infants, initially by chance and then intentionally, to explore and learn about their environment.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, a concept developed in early childhood.

Mental Symbols

Representations in the mind that stand in for objects, concepts, or actions, allowing individuals to think, remember, and solve problems.