What Astronomical Event Is Thought to Have Led to the Mass

question 6

Multiple Choice

What astronomical event is thought to have led to the mass extinction of the dinosaurs 65 million years ago?

• A) extraordinary solar eruption or flare
• B) very large volcanic eruption on Earth
• C) supernova that exploded relatively close to the solar system
• D) asteroid impact on Earth

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Definitions:

Prior Service Credit

A pension plan feature that grants employees credit for service periods before the commencement of the pension plan, affecting their benefits.

Defined Benefit Pension Plan

A retirement plan where the benefits that an employee will receive upon retirement are defined based on a formula considering factors such as salary history and duration of employment.

Service Cost

The portion of the pension expense that is recognized for the increase in pension benefits related to employee services of the current period.