Solve. -A) {9}

question 39

Multiple Choice

Solve.
-

• A) {9}
• B) {9, -9}
• C) {81}
• D) {-9}

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Definitions:

Environmentalism

A social and political movement that seeks to protect and improve the health of the environment through advocacy, education, and action.

Preserving

The process of maintaining or keeping something in its original state or in good condition over time.

Restoring

The process of bringing something back to its original condition or state, often applied to antiques, artworks, ecosystems, and historical buildings.

Environmentalism

A social movement aimed at protecting the natural environment from degradation and pollution.