A. Discovering a quick way to handle a new problem
Answer:
D wavelength
Explanation:
The different wavelengths determine the color.
Work can be defined as the energy transferred from a body to its sorroundings, the energy spent to move a body, or the energy you need to alter a charged particle, so no energy, no work; thus, the statement is true.
First one, for instance they become conductors or insulators depending on the temperature!
