Word: portions
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Dates: during 1970-1979
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...large portion of that money is usually given away to organizations involving or primarily run by women, and to individuals, explaining the body's somewhat passive role...
Leakey devotes a large portion of The People of the Lake to explaining why the line of hominids leading to the evolution of man survived while the Australopithecene line died out. He argues that at some point our hominid line developed a complex economic system of gathering and hunting that required cooperation between individuals in a clan. This cooperative system, besides being intrinsically more productive, engendered the evolution of a special intellectual capability on the part of our pre-historic ancestors. The brains of our ancestors became increasingly subtle and complex because cooperation in a society requires that its members...
...what astronomers call "first light," and the new instrument should be operational by early next year. For astronomers, the heavens can hardly wait. Because of MMT'S high and dry desert perch, it should be highly effective in exploring the skies in the largely neglected infra-red portion of the spectrum. These longer wave lengths are especially useful for studying such cosmological mysteries as the birth of stars and the violence in the heart of distant galaxies and quasars that may well be caused by those baffling black holes...
Undocumented aliens are the most shadowy portion of the Hispanic community. By federal estimates, there are 8.2 million of them in the U.S. Other estimates range from as low as 3 million to as high as 12 million. As many as 90% of the total are Hispanics. A million more are suspected of joining them every year...
...member of the group, Scott will have the opportunity this week to make new pitches. Because of the interlocking ownerships within Japanese industry, he is not optimistic. "I am going to talk to Toyota about replacement parts," he says, "but I know that Toyota owns a portion of the company that provides its ignition systems and lots of other parts...