The best statement to fill in the blank is standard of living. Real GDP per capita is the most popular way to measure standard of living. The real GDP is an important indicator for the economic status of an area. It will dictate the quality of life of the people in that area.
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Answer:
The galaxy is moving closer to us
Explanation:
When there is a decrease in the wavelength of light which is being observed then it means that the object and observer are getting closer to each other.
When there is an increase in the wavelength of light which is being observed then it means that the object and observer are getting farther apart.
This phenomenon is called the Doppler effect.
Orange has shorter wavelength than red so the wavelength is getting shorter.
Hence, the galaxy is moving closer to us.
The gravitational effect when spacecraft flies close to the asteroid