The actual answer is C, Health care improvements are made.
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One crater caused by a meteorite is called the "Barringer" crater and it is <span>approximately 37 miles (60 km) east of </span>Flagstaff<span> and 18 miles (29 km) west of </span><span>Winslow.</span>
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.
Seismic waves are recorded by a machine called a seismograph, which tells us about the strength and speed of the seismic waves. ... Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
Explanation:
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Use the drop-down menus and what you have learned about potassium-argon dating to complete the sentences.
Radioactive dating can be compared to an hourglass, with the
✔ unstable
elements on the top.
Scientists compare
✔ parent and daughter elements
in the rock to determine its age.
Potassium-argon dating is ideal for dating
✔ igneous
and
✔ ancient
rock.
Answer:
It is an irregular quadrilateral in shape, and its shores, save on the west, are deeply indented. Its greatest length from north to south is 210 miles (337 km),
Explanation:
