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How can you practically use classical conditioning?
Dieters can learn their hunger cues and associations with eating.
People can train pets to not jump on the table.
People can housetraln a dog.
All are examples of using classical conditioning.

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

you'd use the equation that establishes a relationship between  energy  and  wavelength, which looks like this

e=h⋅cλ, where

λ  - the wavelength of the photon; c  - the speed of light, usually given as  3⋅108m/s; h  -  planck's constant, equal to  6.626⋅10−34j s

plug the value you were given for the energy of the photon in the above equation to get the wavelength

e=h⋅cλ⇒λ=h⋅ce

λ=6.626⋅10−34js⋅3⋅108ms−1.257⋅10−24j=1.581⋅10−1m