The root word climate refers to weather conditions over a long period. Climatic is based on the word climate. What does the suffix -ic in climatic mean? The Extinction of Dinosaurs

We all know that at one time dinosaurs roamed the surface of Earth. But it’s been 65 million years since they died out. They thrived on the planet for many years, along with a vast number of other organisms and animals. How did the dinosaurs go extinct? Scientists formed many theories about what caused this obliteration. They included climate change, continental shifts, and volcanoes.

Eventually, one theory began to suggest that the cause of the dinosaurs' extinction was the crash of an asteroid on Earth's surface. It was a huge asteroid (about 10 kilometers in width) that crashed against Earth. Its crash made a gigantic crater in Mexico. The crash caused total climatic shifts and changes in the temperature of the atmosphere. The crash also produced a great gas cloud around Earth that resulted in total darkness. It was this explosion that might have led to the complete extinction of the dinosaurs from the face of Earth.

A. made of something
B. something related to
C. person connected with
D. the state of being

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)

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study and put some time and effort into your classes and you’ll do great