PLEASE HELP THIS IS IMPORTANT I WILL GIVE YOU BRAIN THING IF ITS CORRECT

wavelength

Explanation:

The only difference between them is their wavelength, which is directly related to the amount of energy the waves carry.

c.it was a major banking and commerce center.

d.leonardo da vinci

d. to fix corruption and problems in the catholic church

d. to reform the catholic church from within

a. human faces are presented in an idealized, spiritual manner.

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the correct answer is :

{b.}   ( american workers lose job opportunities )

hope this : )

    -sprinkles