Is burning shale gas good for the economy?

no and it never will  be

Explanation:

The study, published last month in the journal Nature Sustainability, found that between 2004 and 2016 shale development created a regional economic boost of $21 billion dollars, compared with $23 billion in the costs related to the 1,200 to 4,600 premature deaths linked to air pollution from the industry.

the correct answer is blue and green.

a visible spectrum is electromagnetic spectrum color that can be seen by a normal human being by a single wavelength of light. the visible light spectrum is the range of wavelengths that make up visible light. the visible light spectrum passes through a prism enabling the rainbow reveals all the colors in the spectrum. these range from red, orange, yellow, green, blue and violet.