When would a blackbody curve of a star moving toward earth have its peak shifted?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

What causes the formation of ocean currents?