Answer:
an insoluble substance which is the main constituent of plant cell walls and of vegetable fibers such as cotton. It is a polysaccharide consisting of chains of glucose monomers.
Explanation:
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The U.S has the highest pregnancy rates because of <span>of underlying social and economic problems.</span>
In this scenario, Alexander is likely to be an "<span>ecological systems" </span><span>theorist.
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Ecological systems theory was produced by Urie Bronfenbrenner. He separated the environment into five distinct levels. The microsystem is the most persuasive, has the nearest relationship to the individual, and is where coordinate contact happens. The mesosystem comprises of communications between a man's microsystems.