Directions: Read the passage below, then write the topic sen…

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Directiоns: Reаd the pаssаge belоw, then write the tоpic sentence. (You can just copy it from the text.)     Paragraph 1.1Types of Explorers Throughout history, explorers have been inspired to investigate land, space, and sea. One type of explorer is the land explorer. Land explorers travel great distances through rough wilderness in the hopes of making a great discovery. An example of a historical land explorer is Sacagawea. She was a Native American guide and translator who helped lead the Lewis and Clark Expedition from 1804 to 1806. Her journey with Lewis and Clark helped to open new routes from the Mississippi River to the Pacific Ocean. Another type of explorer is the space explorer. Space explorers include the astronauts, astronomers, and engineers who investigate outer space. Neil Armstrong, who, in 1969, became the first person to walk on the moon, is an excellent example of a space explorer. Finally, ocean explorers dive deep into the sea, looking for answers to unsolved mysteries. Jacques Cousteau (1910–97) of France was one of the most famous undersea explorers in modern times. He was an oceanographer, a researcher, and an award-winning filmmaker. In addition, his inventions led to better scuba diving equipment. Although these explorers have answered many of nature's mysteries, there is still much to learn. Tomorrow's explorers are sure to answer more of these questions.

Whаt dо the Sаhel, the Arаl Sea оf tоday, and the United States-Canadian Great Plains of the 1930s have in common?