Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.
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Question: Paragraph- Sent 1: The inhabited history of the Las Vegas Valley stretches to 23,000 b.c.
Sent 2: , when much of the area was covered by a prehistoric lake.
Sent 3: During this period, the indigenous people lived in caves, hunting the mammals that gathered at the shoreline.
Sent 4: The landscape of the valley changed dramatically over the next 200 centuries.
Sent 5: The glaciers feeding the lake melted away and the lake evaporated.
Sent 6: Fossils tell an obscure story of man's slow and sporadic development.
Sent 7: Around 3000 b.c.
Sent 8: , native Archaic Indians began to develop a lasting hunting and gathering culture.
Sent 9: By this time, the valley was in much the same geographic state as it exists in today, with one exceptionthe presence of artesian springs that bubbled to the surface in several areas.
Sent 10: These springs fed a network of streams draining through the Las Vegas Wash to the Colorado River.
Sent 11: The areas surrounding the springs were desert oases: sprawling collections of grasses, trees, and wildlife.
Sent 12: Many springs lay in areas that would eventually become the center of the modern Las Vegas metropolis.
Sent 13: For about 4000 years, the Archaics thrived in a culture that included many signs of early civilization.
Sent 14: Signs of even more advancement appeared halfway through the first millennium a.d.
Sent 15: , when the Anasazi Indians inhabited the valley.
Sent 16: Far more progressive than the Archaics, the Anasazi utilized such formal agricultural techniques as irrigation to assist their harvest.
Sent 17: This permitted the Anasazi to achieve a benchmark of advanced societythe ability to live in permanent shelters year-round without need to follow wildlife.
Sent 18: Mysteriously, the Anasazi vanished from the valley around a.d.
Question: Where did the indigenous people of Las Vegas hunted?.

Answer: By the shoreline of the lake.

Question: Paragraph- Sent 1: Federal health authorities Monday added 58 types of cancer to the list of covered illnesses for people who were exposed to toxins at the site of the World Trade Center in the aftermath of the September 11 attacks.
Sent 2: The addition finalizes a recommendation from Dr. John Howard, administrator of the World Trade Center Health Program.
Sent 3: Howard proposed in June that the program accept the recommendations of its Science/Technical Advisory Committee and add some cancers to the coverage list -- 14 categories in all.
Sent 4: Firefighters responding to 9/11 at increased cancer risk The advisory committee review called for expanded "coverage for certain types of cancer resulting from exposure to toxins released at Ground Zero."Sent 5: "The publication of this final rule marks an important step in the effort to provide needed treatment and care to 9/11 responders and survivors through the WTC Health Program," Howard said in a statement Monday.
Sent 6: The rule is expected to be published Wednesday in the Federal Register, and will take effect 30 days after its publication, Howard said.
Sent 7: 9/11 detective dies after battle with lung cancer First responders, volunteers, survivors of the attacks and residents near the site who meet specific qualifications will be eligible for coverage, according to the World Trade Center Health Program.
Sent 8: According to the proposed rule, an estimated 950 to 2,150 people would take advantage of the additional coverage.
Sent 9: The estimated cost for the total cancer treatment ranges between $14.5 million and $33 million, the proposal said.
Question: Who's recommendation was finalized by an addition made to the list of covered illnesses for people who were exposed to toxins at the site of the World Trade Center during the 9/11 attacks?.

Answer: Administrator of the World Trade Center Health Program.

Question: Paragraph- Sent 1: Many plants and animal species have lived on Earth.
Sent 2: Most are no longer alive.
Sent 3: Only a tiny number of species still live on Earth.
Sent 4: If not for fossils, we would know little about species that did not survive.
Sent 5: Fossils provide evidence.
Sent 6: They give us clues to past life on Earth.
Sent 7: They tell us that life on Earth has changed over time.
Sent 8: Fossils in younger rock Fossils can also tell us about how plants and animals lived in the past.
Sent 9: Was it land or marine?
Sent 10: Was the water shallow or deep?
Sent 11: Fossils can even provide clues to ancient climates.
Sent 12: They can tell us if it was warm or cold.
Sent 13: Maybe it was cold or hot?
Sent 14: Some places that are now cold were once warm.
Sent 15: Some places that are now hot and dry were once wet and cool.
Sent 16: Fossils provide a window into the past.
Question: What do fossils do?.

Answer:
Fossils provide a window into the past.