For example, scientists used to think Pluto was a planet, but then technology allowed them to discover more and more objects like Pluto. When they found another “ice ball” that was bigger than Pluto, they demoted Pluto to a dwarf planet.
<span>Researchers estimate that individuals learn about 60,000 words between their first birthday and high school graduation.</span>



In developing countries they produce less GDP/capita income then developed ones. Developed countries have wider sectors with effective facilities whereas they are not as variety of sectors in economy on developing countries. Developed countries have high life expectancy than developing ones and standards of living is high in developed countries.
Which I didn't copy this. I did this on my assignment before...
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