The correct answer is 2, 1800s
redshift and doppler effect
redshift is an increase in the wavelength of radiation emitted by a receding celestial object as a consequence of the Doppler effect and the Doppler effect is a tool used to measure frequency changes as light travels to, from, or pass an observer
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The city's temperature will experience a <em>cooler mean</em><em> yearly temperature </em>than the other city adjacent to a cold ocean current.
Warm currents cause more evaporation and more rain in the coastal areas. Usually, coastal regions stay <em>cooler during summer</em> than during winter. They are also <em>warmer in winter</em>. This situation moderates the temperature within the mean range.
Thus, the temperature range for the <em>city adjacent </em><em>to a </em><em>warm ocean current</em> <em>will be cooler.</em>
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