Scientists Think the Universe Is About __________ Billion Years Old

question 54

Multiple Choice

Scientists think the universe is about __________ billion years old.

• A)6
• B)10.2
• C)13.8
• D)15

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Definitions:

Heart Transplants

A surgical procedure where a diseased or failing heart is replaced with a healthier donor heart.

Round-The-World Trips

Long-distance travels that take the traveler through various countries around the globe, often crossing different continents.

Point Q

A hypothetical point used in economic models or graphs to represent a specific position in terms of quantity or quality.

Economy

A framework for creating, distributing, and utilizing goods and services in a specific geographic region.