Marigold was a psychologist who loved to study the abilities of human memory in remembrance of important events in her life. He preferred to take the test developed in it, where on a card, she wrote an event importing, and behind it, the date and level of importance. Every time she performed these tests, she needed to think about her ups and downs, and that makes her a bit depressed.
D excercise is your answer..
Answer: The correct answer is : Living systems depend on the polarity of water, because since water is polar it has an unevenly distributed charge, this means that water molecules are slightly positive and negative, for this reason water is a good solvent, this characteristic is essential in organisms. For example, sugars and other nutrients are dissolved so that the blood cells can carry it to cells in the body. If sugars weren't dissolved, they couldn't reach cells. Water also attracts or is attracted to other molecules and polar ions, including many biomolecules, such as sugars, nucleic acids and some amino acids.
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Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalist groups in Austria-Hungary and Serbia wanted independence. France wanted Alsace Lorraine back from Germany who was lost in 1871 Franco-Prussian war.
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