View the step-by-step solution to:

Homework #12 Geology 1020 Section 2 Name:__________________ OPTIONAL HOMEWORK ASSIGNMENT, DUE AT THE FINAL EXAM 1. Since 1981, scientists have

1.Since 1981, scientists have discovered an abnormally high concentration of the element Iridium (Ir) precisely at the level of the Creteceous-Tertiary (K-T) boundary in many places around the world. What is thought to be the origin of the Ir deposit? Discuss its relevance to global events that marked the K-T boundary.


2. You are a member of a congressional committee assigned to develop national policy for dealing with long-term (50-100 years) climate change. Climatic fluctuations over approximately the last 1000 years provide a reasonable basis for projections of what may happen in the next 100 years or more. Discuss at least 3 ways that climate fluctuations have impacted North America in approximately the last 1000 years.
Homework #12 Geology 1020 Section 2 Name:__________________ OPTIONAL HOMEWORK ASSIGNMENT, DUE AT THE FINAL EXAM 1. Since 1981, scientists have discovered an abnormally high concentration of the element Iridium (Ir) precisely at the level of the Creteceous-Tertiary (K-T) boundary in many places around the world. What is thought to be the origin of the Ir deposit? Discuss its relevance to global events that marked the K-T boundary.
Background image of page 1
2. You are a member of a congressional committee assigned to develop national policy for dealing with long-term (50-100 years) climate change. Climatic fluctuations over approximately the last 1000 years provide a reasonable basis for projections of what may happen in the next 100 years or more. Discuss at least 3 ways that climate fluctuations have impacted North America in approximately the last 1000 years.
Background image of page 2

Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question