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1. Telephone cables that use optical fibers can be ——- conventional cables, yet they typically carry much more information.
2. In making cheese, ——-, is coagulated by enzyme action, by lactic acid, or by both.
3. Sensory structures ——- from the heads of some invertebrates are called antennae.
4. An étude is a short musical composition written especially ——- a particular technique.
5. ——- the United States consists of many different immigrant groups, many sociologists believe there is a distinct national character.
6. ——- many food preservation methods for inhibiting the growth of bacteria.
7. The safflower plant is grown chiefly for the oil ——- from its seeds.
8. Newspaper historians feel that Joseph Pulitzer exercised ——- on journalism in the United States during his lifetime.
9. ——- must have water to lay and fertilize their eggs, while their offspring, tadpoles, need water for development and growth.
10. The philosopher and educator John Dewey rejected ——-.
11. Liberal arts colleges cultivate general intellectually abilities rather than technical or professional skills.
12. Peach trees grow good in a variety of soil types, but do best in sandy loam.
13. A chemical react that absorbs heat is called endothermic.
14. The novelty, relatively high speed, and advantageously of year-round service made early passenger trains a popular form of transportation.
15. One of North America’s most renowned painters, Grandma Moses was in her seventies when her began to paint seriously.
16. When the temperature drops below 68 degrees Fahrenheit, the body conserves warm by restricting blood flowing to the skin.
17. Every one of the body’s billions of cells require a constant supply of food and oxygen.
18. The seal, like the sea lion and the walrus, is a descendant of ancestors that once live on the land.
19. A beaver uses its strong front teeth to cut down trees and peel off its bark.
20. Ants are blind to red light, so it is possible to observe themselves in an artificial nest without disturbing their activities.
21. Large commercial fishing vessels are equipped to clean, packaging, and freeze the fish that they catch at sea.
22. As a breed, golden retrievers are intelligent, loyally, and friendly dogs.
23. In 1948 Stan Getz made a masterful solo recording of the song “Early Autumn” deep influenced younger musicians.
24. Lichens grow in a variety of places, ranging from dry area to moist rain forests, to freshwater lakes, and even to bodies of salt water.
25. Musical instruments are divided into various types, depending on whether the vibration that produces their sound is made by striking, strumming, scraping, or is blown.