Прочитайте текст и заполните пропуски подходящими по смыслу словами The universe is energy. Energy 1...: ответ на тест 782135 - Английский язык

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There are uncountable combinations of atoms. For example, 4 carbon atoms combine with 10 1_______ atoms to make up a butane molecule. A glucose molecule is made from 6 carbon atoms, 12 hydrogen atoms and 6 oxygen 2_______. Cellulose, the principal molecule in the plant cell walls and also in wood, paper, 3_______, and many other materials, is a chain that can include up to 12,000 glucose molecules. A sugar molecule is made from carbon, hydrogen and oxygen atoms grouped in specific positions. When these same atoms are grouped in different positions they can form alcohol or starch. The different proportions and positions of the atoms produce the 4_______ forms of matter.

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A molecule is a group of atoms joined together by chemical bonds. The molecules of an 1_______ are identical and contain atoms of one type only. Oxygen gas, for example, has 2_______ made up of two oxygen atoms. The molecules of a compound are also 3_______, but in this case each molecule 4_______ atoms of more than one type. In water, for example, each molecule is made up of two hydrogen atoms and one oxygen atom. All gases, most liquids, and many nonmetallic solids consist of molecules.

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There are two basic 1 _______ of molecules: small molecules and macromolecules. Small molecules are in non-living matter – minerals, air, 2 _______.
Macromolecules are made from many small molecules. They 3 _______ in living matter, i.e. in plants and animals including people. Macromolecules also exist in some synthetics like polythene and 4 _______.
Macromolecules are not living matter but they combine to create cells. Cells are basic units of life.

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Benjamin Franklin, 1 _______ of the lightning rod, explained that positive (+) and negative (−) charges are 2 _______ types of the same thing. Opposites are a basic characteristic of 3 _______. They 4 _______ to show nature’s duality: positive-negative, good-bad, something-nothing.

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An example of interaction between electric charges is lightning. During an 1 _______ storm, water and ice particles collide inside cumulonimbus clouds. As a result, the positive charges move to the top of the clouds and the negative 2 _______ move to the bottom. The movement generates static 3 _______. When the negative charges flow back to the positive charges they produce heat and emit light. Lightning is an electric discharge in the air. Thunder is a 4 _______ of pressure that occurs when the hot and violent lightning expands the cold air.

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There are different shapes. They are triangles, squares, rectangles and circles.
Triangles have three sides and three angles. Squares and rectangles have four sides. Squares have four equal sides, but rectangles have two equal sides. Circles do not have angles and sides.
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How many equal sides do squares have?