Innovations that make life better, like antibiotics or semiconductors, have originated in one place and then been spread around the world as a result of: Originated independently at different times in different places around the world.
Innovation can refer to something new, such as an invention, or the practice of developing and introducing new things. An innovation is usually a new product, but it can also be a new way of doing things or even a new way of thinking.
Certain bacterial illnesses are treated or prevented with the use of antibiotics. They are ineffective in combating viral diseases like the cold or the flu. Only non-serious medical disorders like acne, which are unlikely to go better on their own absent antibiotics, must be treated with antibiotics.
Semiconductor materials have a conductivity value between that of a conductor, such as metallic copper, and that of an insulator, such as glass. Its resistivity decreases as its temperature increases; Metals behave in the opposite way.
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