The Age of the Oldest Extrasolar Planet Is Estimated to Be

question 17

Multiple Choice

The age of the oldest extrasolar planet is estimated to be about:

• A) half a million years.
• B) 4.5 billion years, similar to Earth's age.
• C) only a few thousand years.
• D) 13 billion years.

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Definitions:

Human Papillomavirus

A group of viruses that can cause warts on the skin or mucous membranes, with certain strains being linked to cancer.

Safe Sexual Practices

Behaviors and measures taken to reduce the risk of contracting sexually transmitted infections (STIs) and unintended pregnancies, including the use of condoms and regular testing.

Positive Attitudes

Behaviors or outlooks that reflect a positive, optimistic view of circumstances, events, or individuals.

Teenagers

Individuals who are in the transition period from childhood to adulthood, typically aged between 13 and 19 years.