IXL 11th grade O.1

IXL 11th grade O.1 Because the San Gabriel Mountains in California receive more than three million visitors every year, the area has become polluted with litter. - ✔✔no Enterovirus D68 was first discovered in 1962. It ...

IXL 11th grade O.1 Because the San Gabriel Mountains in California receive more than three million visitors every year, the area has become polluted with litter. - ✔✔no Enterovirus D68 was first discovered in 1962. It mainly affects children. - ✔✔no The red wolf of the southeastern United States became extinct in the wild in 1980. After scientists created a breeding program with a few red wolves in captivity. - ✔✔yes When the Albuquerque International Balloon Fiesta began in 1972, only thirteen hot air balloons took to the sky. The festival drew more than five hundred ballooning teams in 2014. - ✔✔no On November 3, 1957, the Soviet Union sent the first animal into space—a dog named Laika. Which had been found as a stray living on the streets of Moscow. - ✔✔yes Using instruments called geophones, scientists measuring seismic waves caused by traffic to learn how urban life affects the earth. - ✔✔yes Lexi created her own stylish leather identification tags for her pets. Because she couldn't find tags that she liked. - ✔✔yes Due to warmer winters, the population of brown tawny owls in Finland has increased dramatically. With less snow on the ground, brown owls can better blend in with the environment, evading predators. - ✔✔no A program called Container offering twelve artists a month-long residency devoted to their painting, sculpture, or other visual art onboard a cargo ship. - ✔✔yes During the construction of Mount Rushmore, approximately eight hundred million pounds of rock from the mountain to create the monument. - ✔✔yes In the early 1800s, John Chapman—known today as Johnny Appleseed—planted acres of apple trees. The apples weren't meant for eating but instead were used to make cider. - ✔✔no Undoubtedly one of the most popular words in the English language, OK was first used in print in 1839. - ✔✔no Spring and fall—the best times to enjoy the lake and avoid the crowds of summer. No fees or permits are required then. - ✔✔yes On November 18, 1903, the Hay-Bunau-Varilla Treaty was signed. Which gave the United States possession of the Panama Canal Zone. - ✔✔yes In honor of Washington Irving's famous tale, the town of North Tarrytown, New York, voted to rename itself Sleepy Hollow in 1996. - ✔✔no On October 31, 1984, two men assassinated the prime minister of India, Indira Gandhi. Whose son Rajiv succeeded her as prime minister. - ✔✔yes Producing and consuming more beef than any other country in the world: the United States. - ✔✔yes Since Edgar's doctor diagnosed his vitamin B deficiency and he began supplementing his diet. - ✔✔yes Although there are approximately one thousand species of bats around the world, only three practice hematophagy, or the consumption of blood for food. - ✔✔no When it comes to seafood, Americans aren't always eating what they think they are. According to an FDA report based on DNA analysis of fish that are frequently misidentified. - ✔✔yes Before signing in, you must first register for an account. Unless you're already a member of the site. - ✔✔yes In 1962, First Lady Jacqueline Kennedy gave her husband, President John F. Kennedy, an artistically engraved whale tooth. Which was eventually buried with him in Arlington National Cemetery. - ✔✔yes Until the variable harlequin toad was rediscovered in a remote mountain region of Costa Rica. - ✔✔yes Derailed by miscommunication and a lack of funding, William and Tyler's new business venture. - ✔✔yes We called a taxi for Mr. Jackson. Whose car was towed from the no-parking zone in front of the firehouse. - ✔✔yes The agency monitoring air quality at various locations across the country. - ✔✔yes Driving along the northeastern shore of Lake Michigan, travelers can pass through quaint villages and stop at the nineteenth-century Grand Traverse Lighthouse. - ✔✔no When the Albuquerque International Balloon Fiesta began in 1972, only thirteen hot air balloons took to the sky. The festival drew more than five hundred ballooning teams in 2014. - ✔✔no Even though rainbows often appear to contain a band of purple. It's just an optical illusion. - ✔✔yes By the time the Guerra Bianca, or White War, ended in 1917, Italian and Austro-Hungarian soldiers fighting for three years in extreme conditions at altitudes of up to twelve thousand feet. - ✔✔yes In 2004, a team of archaeologists discovered a three-foot-tall skeleton, dubbed the "Hobbit," in Indonesia. Even after ten years, experts still debate whether the skeleton belonged to a modern human. - ✔✔no Although fewer than twenty-five California condors remained in the wild in 1982, their numbers increased to more than 160 by 2014. - ✔✔no Which U.S. cities are doing the most to reduce greenhouse gas emissions? Tonight's news report has the details. - ✔✔no Obon is a traditional Japanese Buddhist festival. Because the festival honors the spirits of family members who have died, many people spend it with family and friends. - ✔✔no One of the oldest harvest festivals in the world is the Chinese Mid-Autumn Festival. Which was first celebrated in the tenth century B.C. - ✔✔yes A new detective series by J. K. Rowling published under the pseudonym of Robert Galbraith after she completed her seven-volume Harry Potter series. - ✔✔yes In the fifth and sixth centuries, more than fifty thousand Buddhist statues carved into the rock of the Yungang Grottoes of China. - ✔✔yes As odd as it might seem, the Guadalupe Mountains National Park in Texas offers one of the finest examples of an ancient marine reef. - ✔✔no When scientists sequenced the DNA of domestic cats, they made a startling discovery. A remarkable similarity between the genomes of house cats and those of their feline relatives in the wild. - ✔✔yes During the Precambrian period, most of Earth's life forms lived in oceans. Meanwhile, land masses were mostly devoid of life. - ✔✔no The Zion Narrows, a canyon in Utah's Zion National Park, stretching for sixteen miles and, in some areas, narrowing to just twenty feet. - ✔✔yes The Chicago Tribune mistakenly declared Thomas Dewey the winner of the 1948 presidential race over incumbent Harry S. Truman. With the headline "Dewey Defeats Truman". - ✔✔yes Hidden in the drawer underneath a pile of mismatched socks lie Lisa's life savings. - ✔✔no Long ago, fossils were used as evidence to support mythical tales. In fact, fourth-century Chinese historian Chang Qu once mislabeled a giant dinosaur bone as that of a dragon. - ✔✔no With more than sixty percent of the popular vote, incumbent Lyndon Baines Johnson defeating Republican Barry Goldwater, Sr., in the 1964 presidential election. - ✔✔yes Smoke from the cabin visible for miles up and down the coast. - ✔✔yes During a test flight over the Mojave Desert, Virgin Galactic's experimental SpaceShipTwo spacecraft crashing on October 31, 2014. - ✔✔yes The number of tornadoes recorded in the United States over the past few decades. - ✔✔yes At a latitude of seventy degrees north, Tromsø is Norway's northernmost city. Moreover, it is one of the best places on the planet to view the northern lights, or aurora borealis. - ✔✔no The fungus Geomyces destructans seems to be the cause of white-nose syndrome. A disease that has wiped out more than one million bats in the northeastern United States over the past four years. - ✔✔yes Developed in 1973, GPS is a satellite-based navigation system. Also known as Global Positioning System. - ✔✔yes Before the town of Kennecott, Alaska, was deserted in the 1930s, it was home to a thriving copper mine and mill, a hospital, a school, and a skating rink. - ✔✔no I enjoyed the risotto and the poached pears. Although I didn't care for the seared trout. - ✔✔yes Whereas the Spirit and Opportunity space rovers were solar powered, the Mars rover known as Curiosity is nuclear powered. - ✔✔no In the early 1800s, yellow fever, a viral disease spread by mosquitoes, not by unsanitary conditions as was believed at the time. - ✔✔yes Based on one theory, Mimas, one of Saturn's many moons, may have been created within that planet's icy rings. - ✔✔no Monkeys and chimpanzees frequently raid the crops of Rwandan farmers. As a result, the farmers lose ten to twenty percent of their income. - ✔✔no Due to warmer winters, the population of brown tawny owls in Finland has increased dramatically. With less snow on the ground, brown owls can better blend in with the environment, evading predators. - ✔✔no At the intersection of Bolyston and Charles Streets in Boston stands a plaque commemorating the birthplace of Edgar Allan Poe. - ✔✔no Closed to visitors since the 1960s, the prehistoric cave paintings in Lascaux, France, are between 15,000 and 17,000 years old. - ✔✔no Lava from the Hawaiian volcano Kilauea usually flows southward into the ocean. In June of 2014, though, northward. - ✔✔yes Gina created her own stylish leather identification tags for her pets. Because she couldn't find tags that she liked. - ✔✔yes Since Dean's doctor diagnosed his vitamin B deficiency and he began supplementing his diet. - ✔✔yes We called a taxi for Mr. Joyce. Whose car was towed from the no-parking zone in front of the firehouse. - ✔✔yes At the conclusion of the War of 1812, the youngest general in the army was Winfield Scott. Whose tactical methods and regulations came to define the U.S. Army for most of the nineteenth century. - ✔✔yes Derailed by miscommunication and a lack of funding, Zach and Alan's new business venture. - ✔✔yes Hidden in the drawer underneath a pile of mismatched socks lie Paula's life savings. - ✔✔no