What Are Two Materials Present in the K-T Boundary That

question 77

Essay

What are two materials present in the K-T boundary that support the idea that a 10 km-wide asteroid or comet hit the Yucatan peninsula and caused or accelerated the extinction of more than 50 percent of all living species on the Earth? Explain where these two materials came from. How long ago did this happen?

---

Definitions:

Operational Plans

Detailed, short-term strategies designed to achieve specific objectives within a business.

Standing Plans

Established procedures or policies in an organization that guide decision-making and actions for recurring situations or operations.

Single-use Plans

Strategic plans developed for a one-time project or event that are not intended to be repeated or reused.

Operational Plans

Detailed, short-term plans outlining how to achieve the strategic goals of an organization.