The people who take part in research studies are called participants.
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The economy of the Lower South—North Carolina, South Carolina, and Georgia—was based upon plantation agriculture in the eighteenth century. The Carolinas were settled in the 1660s but did not find a profitable export until the 1690s when rice was established as the staple crop.
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To answer your question, "What it means when it says online that your tax return has been received and is being processed?": This means that the IRS or the Internal Revenue Service or IRS has received your tax return document and they will be processing it. Getting the refund will take 21 days and will be updated after 24 hours when you have submitted it online and 4 weeks when you mail it.
Answer:Geography of the Great Barrier Reef. The Great Barrier Reef is located in the Coral Sea. It is off the northeast coast of Australia's state of Queensland. The reef itself stretches over 1,600 miles (2,600 km) and most of it is between 9 and 93 miles (15 and 150 km) from shore.
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