Chapter 7.3, Problem 1CT

Summary Introduction

To determine:

The publication that described above change asteroid impact hypothesis into a scientific theory that is “set in stone”.

Introduction:

The scientific theory is defined as a well-sustained explanation at some features of natural world. It is based on the fact which is confirmed so many times a series of observations and experiment.

Summary Introduction

To determine:

The cause of K-T extinction ever be proven.

Introduction:

The Cretaceous-Tertiary extinction or K-T event involves die-off of dinosaurs and other animal species. They were died over 65.5 million years ago. The organisms died due to climacteric and other geological changes.

Summary Introduction

To determine:

The scientists believed that evidence pointed to alternative causes for extinction now abandons their hypotheses on this article.

Introduction:

Extinction is defined as the biological process of termination of organisms or group of organisms from a population over a period of time. Extinction occurs due to several different factors such as environmental and geological conditions.

Summary Introduction

To determine:

The debates among scientists weaken or strengthen the role of science in society.

Introduction:

The scientific theory is defined as a well-sustained explanation at some features of natural world. Extinction is defined as the biological process of termination of organisms or group of organisms from a population over a period of time.