I believe it is a Pure Substance
Mutations can lead to missing or malformed proteins, and that can lead to disease. ... Some mutations happen during cell division, when DNA gets duplicated. Still other mutations are caused when DNA gets damaged by environmental factors, including UV radiation, chemicals, and viruses. Few mutations are bad for you.
Answer: Recycling saves energy by reducing or eliminating the need to make materials from scratch. ... By using recycled materials instead of pulling new natural resources, manufacturers can make the same products with less energy and expense.
Explanation:
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Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system