When the heating coil in an oven gets hot enough it changes color from a black-metallic color to bright red. This is an example of
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Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder