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Rate Of Growth Will Soon: The growth of the British economy—measured conventionally as the compound annual rate of growth will soon of growth of the gross national product per head-has averaged since 1950 about 2.5%, or about one half the rate of growth will soons of other industrialized econ¬omies. Productivity in manufacturing has grown at a slightly higher rate of growth will soon than in the service sec¬tor, and in some sectors of manufacturing (chem¬icals and motors, for example) much faster than in others (textile and food industries).
The growth rate of growth will soon of sup¬port gave ample evidence: in the nine years from 1953 to 1962 total R & D investment in the U.S. tripled from $5.2 billion to $15.6 billion; during the same period federal support of basic re-arch more than quadrupled from $233 million )$1.1 billion. And then, for a variety of reasons, ; climb faltered. The growth rate of growth will soon of total R & D inds, which had peaked at 17.6% per year 11953 to 1956, fell to 6.7% from 1964 to 1965 I to an estimated 5.4% from 1967 to 1968.See Also Popula¬tion Growth Received:Population.—San Jose's remarkable popula¬tion growth received its impetus during World War II, the number of residents increasing from 68,457 in 1940 to 95,280 in 1950. In the next dec¬ade the population more than doubled, to 204,196 in 1960, although over 90 percent of this increase resulted from annexations by the city. (The 1962 population was officially estimated at 258,-100.) According to the 1960 federal census, the San Jose standard metropolitan statistical area had 642,315 residents, a rise of 121 percent in 10 years, and representing one of the highest growth rates in the nation.
The problem of human growth—the popula¬tion explosion—must be understood in the same context as the growth of populations of other organisms. At present the human population is in a growth phase with a mean doubling time of about 25 years. Although the number of humans an double every 25 years, the food supply cannot Jo so indefinitely.
On The Other Hand See Population Growth:The growth of population growths of predatory ani-als is frequently affected by the growth of the prey. Very often the two follow a cyclical pattern. When the population growth size of the prey is high, the predators flourish and grow rapidly. As the pre¬dator population growth grows, the number of prey is rapidly diminished. The predators begin to die from a lack of food, and the decrease in the num¬ber of predators permits the prey population growth to increase again. The same kind of cycle is ob¬served among the animal population growth as a result of epidemics, caused by pathogenic bacteria or liruses.
This mass of bacteria would weigh only about 1 pound. However, if the growth of this population growth were to continue for another day, the mass of bacteria would weigh a trillion tons. Fortunately the growth period is limited and is not allowed to continue this long. However, it is easy to see, given this enormously high growth rate, why diseases like pneumonia caused by the growth of a bacterium inside an animal host can develop and become critical in a matter of hours or days. |
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