Answer:
Explanation:
More than 99 percent of all organisms that have ever lived on Earth are extinct. As new species evolve to fit ever changing ecological niches, older species fade away. But the rate of extinction is far from constant. At least a handful of times in the last 500 million years, 75 to more than 90 percent of all species on Earth have disappeared in a geological blink of an eye in catastrophes we call mass extinctions.
Though mass extinctions are deadly events, they open up the planet for new forms of life to emerge. The most studied mass extinction, which marked the boundary between the Cretaceous and Paleogene periods about 66 million years ago, killed off the nonavian dinosaurs and made room for mammals and birds to rapidly diversify and evolve.
Answer:
According to scholars, the English language is typically divided into three historical periods.
Explanation:
Answer:
<u>he was confused</u>
<u>Explanation:</u>
Note, we are told that, "Anthony awoke to laughing and applauding," in other words, he woke up by an unusual action, "laughing and applauding". This causes Anthony to wonder confusingly what had occurred, which fits in with the definition of the word, "quizzical".
The word quizzical is an adjective that is often used to denote the expression of someone who appears to be confused or amused.
Answer:
North Carolina residents want the government to fix existing roads first, before building new ones. They also favor improving rail services and buses to increase the number of public transportation users. But some citizens complain that governments are robbing Peter to pay Paul, shortchanging one area that needs transportation funds in order to contribute to another area.
Explanation:
Only use the important part