When Did Life First Appear on the Planet

question 1

Multiple Choice

When did life first appear on the planet?

• A)3.5 billion years ago
• B)2.1 billion years ago
• C)3.5 million years ago
• D)2.1 million years ago

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Definitions:

Schizophrenics

Individuals diagnosed with schizophrenia, a mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self, and behavior.

Multisystemic Therapy

An intensive family- and community-based treatment program designed to address the complex needs of youths with behavioral problems.

Teen Violence

Aggressive, harmful, or violent behavior exhibited by adolescents towards others or themselves.

Criminal Activity

Behavior that violates laws and is punishable by the state, including felonies and misdemeanors.