Complete the sentence below.
After studying Antarctica’s warming climate for decades, scientists are making a surprising discovery: In some places, much of that abnormal warmth is invading in the form of powerful, downhill winds called föhn winds. Scientists now suspect that these winds contributed to a series of dramatic glacial collapses that have been steadily redrawing the map on the east side of the Antarctic Peninsula for the last 30 years.
Föhn winds may have escaped scientists’ notice because they don’t just blow during summer—some of their most impressive heat waves actually strike in the dead of winter, eroding glaciers at a time of year that no one thought possible.
Complete the summary with words from the text.
Choose NO MORE THAN TWO WORDS from the passage for each answer.
The History of Chocolate
The history of chocolate begins in Mesoamerica. Chocolate, the fermented, beverages dates back to 1900 BC. The Aztecs believed that cacao seeds were the gift of Quetzalcoatl, the God of Wisdom, and the seeds had so much value they were used as a form of currency. Originally prepared only as a drink, chocolate was served as a bitter, frothy liquid, mixed with spices, wine or corn puree. It was believed to have powers and to give the drinker strength.
After its arrival to Europe in the sixteenth century, sugar was added to it and it became popular throughout society, first among the ruling classes and then among the common people. In the 20th century, chocolate was considered a staple, essential in the rations of United States soldiers at war. The word “chocolate” comes from the Classical Nahuatl word chocolatl, and entered the English language from Spanish.
The history of chocolate (1) ….. to the early 20th Century. The ancient Mesoamericans valued it and used it to trade goods. Chocolate gained popularity in Europe after the addition of (2) ….. . It was usually drunk and was believed to give one who drank it (3) ….. Initially, it was only enjoyed by the (4) ….. before becoming more widely consumed. In the 1900s, chocolate was given to American troops. The name for chocolate arrived from the (5) ….. language.