According to Calculations Made by Modern Astronomers,the Age of the Universe

question 66

Multiple Choice

According to calculations made by modern astronomers,the age of the universe is close to

• A)14 billion years.
• B)7 billion years.
• C)21 billion years.
• D)6000 years.

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Definitions:

Concentric Contraction

Muscle contraction where muscle fibers shorten while generating force, typically occurring when a muscle is actively producing movement.

Muscle Tension

Describes the state of partial contraction in a muscle, even when it is not actively being used, helping to maintain posture and readiness for action.

Contraction

The process of muscle fibers shortening in response to stimulation, resulting in movement or tension in the muscle.

Rigor Mortis

Increased rigidity of muscle after death due to cross-bridge formation between actin and myosin as calcium ions leak from the sarcoplasmic reticulum.