What have been the results of improved agricultural practices?

decreased organic farming

increased productivity

increased profits

increased water pollution

increased health risks

reduced health risks

reduced health risks

increased productivity

increased profits

Hope this helps you! :D

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.