A whole process from start to finish is called: ответ на тест 1077799 - Английский язык

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What is a crystal? A crystal is a 1_______ solid made by a natural process. Many substances absorb water from solutions when they crystallize; that is, they unite chemically with a definite proportion of 2_______. The water with which any substance unites during the process of crystallization is called the water of crystallization.
Certain 3_______ substances, for example, washing soda, give up their water of crystallization when they are exposed air; they are then reduced to 4_______. Substances that have this property are called efflorescent, and the process is called efflorescence.

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There are billions of stars in the universe. Stars are massive, energy-filled globes of fiery gases. The force of gravity holds these gases together. At a star’s core, atoms of hydrogen join together to form helium in a process called nuclear fusion. The energy generated by this process produces a star’s heat and light. Collections of stars are called galaxies, and each galaxy contains many different types of stars.

During periods of very cold or very hot weather demand of electricity _______ because people use radiators and conditioners.

Magnetism is used to sort _______ scrap easily.

There are key differences between the clear and coloured ________ used in jars, and the high-grade material used in engineering applications.

When new metal is extracted from _________ the cost can be high.