Courtney believed that dinosaurs went extinct as a result of giant asteroid hitting the earth. scientists discovered a 150 km wide crater dating back to the time of their extinction, according to the fossil record. the crater and the fossil record are examples of researched data that support courtney’s explanation. t or f

True

Further Explanation:

It is proved by the scientists that a giant object which was around 10 kilometers in shape struck around the coast of the Yucatan Peninsula and this event took place around 65 million years ago and that was the same time when the extinction of Dinosaurs is believed. Scientists believe that this impact must be so hard that it created a cataclysmic end. It is believed that the impact created a dust cloud which blocked sun rays which brought the earth to chilling level and when that cloud burst cleared, the greenhouse gases created such an impact that temperature of earth Skyrocketed and that brought dinosaurs as well as around 70% of plants and other animals to extinction.  

Fossil records also agree to the claims made by scientists in regards to Dinosaurs. According to Paleontologists, It was seen in the evidence of the fossil record that dinosaurs were there even after the end of the impact but they coon became extinct when the after-effects of this impact and sudden Greenhouse effect created a temperature of the earth to reach sky-high.  

Learn More:

1.Name and explain two personal values and two skills.

2.According to your textbook, the most common decision-making process used by problem-solving small groups is called the

Answer Details:

Grade: High School

Chapter: Dinosaurs

Subject: History

Keywords: Dinosaurs, Fossil, Scientists, Green-house, Peninsula, Yucatan, Chilling, Gases, Paleontologists, Impact, Sudden.